sit 的英语意思
sitsit /sɪt/ verb (past tense and past participle sat /sæt/, present participle sitting) 
查看全部语言翻译1in a chair etc a) (also be sitting down) [intransitive] to be on a chair or seat, or on the ground, with the top half of your body upright and your weight resting on your buttocks坐在椅子、座位或地上，上半身直立，重量落于臀部。sit on/in/by etc
I sat on the shore and looked at the sea.我坐在岸边，望着大海。 She was sitting in a chair by the fire.她坐在火炉旁的椅子上。 She’s the girl who sits next to me at school.她是在学校里坐我旁边的那个女孩。 In the driving seat sat a man of average height.驾驶座上坐着一个中等身高的男子。sit at a desk/table etc (=sit facing it)（＝面朝它坐） Jean sat at the table writing a letter.Jean坐在桌旁写信。sit doing something They sat sipping their drinks.他们坐着，慢慢啜饮着饮料。 We used to sit and listen to her for hours.我们过去常常坐上几个小时，静静地听她说话。 b) (also sit down) [intransitive always + adverb/preposition] to get into a sitting position somewhere after you have been standing up站立之后，在某处坐下。: He came over and sat beside her.他走过来，坐在她身旁。 Sam sat opposite her and accepted a cigarette.Sam坐在她对面，接过了一支烟。 c) (also sit somebody down) [transitive always + adverb/preposition] to make someone sit, or help them to sit使某人坐下，或帮助某人坐下。sit somebody on/in etc something I gently led her to the chair and sat her on it.我轻轻地把她引到椅子旁，让她坐了下去。2objects/buildings etc [intransitive always + adverb/preposition] to be in a particular position or condition处于特定位置或状态。sit on/in etc a little church sitting on a hillside坐落在山坡上的一座小教堂 The parliament building sits in a large square.议会大厦坐落在一个大广场中。 He’s got a computer sitting on his desk, but he doesn’t use it.他桌上摆着一台电脑，但他不用。 My climbing boots were sitting unused in a cupboard.我的登山靴闲置在柜子里，从未用过。 The house has sat empty for two years.这栋房子已经空置了两年。3do nothing [intransitive always + adverb/preposition] to stay in one place for a long time, especially sitting down, doing nothing useful or helpful长时间待在一处，尤指坐着无所事事，毫无裨益。: I spent half the morning sitting in a traffic jam.我有半个上午堵在路上。 Well, I can’t sit here chatting all day.好了，我可不能整天坐在这里闲聊。 Are you just going to sit there complaining?你就只是坐在那儿抱怨吗？4committee/parliament etc [intransitive] to be a member of a committee, parliament, or other official group担任委员会、议会或其他官方机构的成员。sit in/on They both sat on the management committee.他们俩都是管理委员会的成员。 He was the first journalist to sit in parliament.他是第一位进入议会的记者。5meeting [intransitive] to have a meeting in order to carry out official business召开会议以处理正式事务。: The council only sits once a month.议会每月只开一次会。 The court will sit until all the evidence has been heard.法庭将继续开庭，直到所有证据都审听完毕。6animal/bird [intransitive always + adverb/preposition] a)to be in, or get into, a resting position, with the tail end of the body resting on a surface（指动物）处于或进入休息姿势，臀部着于地面。: The cat likes to sit on the wall outside the kitchen.那只猫喜欢坐在厨房外面的墙上。 b) Sit! used to tell a dog to sit with the tail end of its body resting on the ground or floor用于命令狗坐下（臀部着地）。 c)if a bird sits on its eggs, it covers them with its body to make the eggs hatch鸟若坐在蛋上，即以身体覆盖蛋使其孵化。7look after [intransitive + for] to look after a baby or child while its parents are out在父母外出期间照看婴幼儿。 SYN babysit8sit tight spoken口语 a)to stay where you are and not move待在原地，不要动。: Just sit tight – I’ll be there in five minutes.待在那儿别动——我五分钟后就到。 b)to stay in the same situation, and not change your mind and do anything new维持现状，不改变主意，不采取新行动。: We’re advising all our investors to sit tight till the market improves.我们建议所有投资者按兵不动，等待市场好转。9be sitting pretty to be in a very good or favourable position处于非常有利的处境。: We’ve paid off the mortgage, so we’re sitting pretty now.我们已经还清了抵押贷款，现在的处境相当不错。10sit in judgment (on/over somebody) to give your opinion about whether someone has done something wrong, especially when you have no right to do this对他人是否犯错作出评判，尤指自己无权这样做时。: How can you sit in judgment on somebody you hardly know?你怎么能对一个你几乎不认识的人妄加评判？11not sit well/easily/comfortably (with somebody) if a situation, plan etc does not sit well with someone, they do not like it若某种情况、计划等令某人感到不适，则意味着他们不喜欢此事。: He had never before been accused of stealing, and it did not sit well with him.他从未被指控过偷窃，这令他十分不快。12sit on the fence to avoid saying which side of an argument you support or what your opinion is about a particular subject回避表明自己在争论中支持哪一方，或对某一特定问题的看法。: The weakness of the book is that it sits on the fence on important issues.这本书的弱点在于它在重要问题上不肯表明立场。13sit on your hands to delay taking action when you should do something在应当采取行动时拖延不动。: Workers are losing their jobs while the government sits on its hands and does nothing.工人们正在失业，而政府却坐视不动，无所作为。14exams [intransitive, transitive] British English to take an examination参加考试。: Tracy’s sitting her GCSEs this year.Tracy今年参加普通中等教育证书考试。sit for They were preparing children to sit for the entry examination.他们正在准备孩子们参加入学考试。15picture/photo [intransitive] to sit somewhere so that you can be painted or photographed坐于某处以供绘画或拍照。sit for She sat for (=was painted by) Holman Hunt and Millais.她曾为霍尔曼·亨特和米莱斯做模特（＝被他们画过）。COLLOCATIONS词语搭配adverbs副词sit still (=without moving)· Young children find it almost impossible to sit still.· 幼儿几乎不可能安静地坐着不动。sit quietly (=without talking)· Mac sat quietly in the back of the car.· Mac静静地坐在车后座。be sitting comfortably· She was sitting comfortably on the sofa.· 她舒舒服服地坐在沙发上。sit up straight/sit upright (=with your back straight)· Sit up straight at the table, Maddie.· Maddie，在桌子旁坐直了。sit bolt upright (=suddenly sit up very straight, for example because you hear something)· Suddenly she sat bolt upright and said, ‘What was that?’· 她突然猛地坐直，说："那是什么？"sit cross-legged (=with your legs bent and crossed over in front of you)· She sat cross-legged on the grass.· 她盘腿坐在草地上。THESAURUS同义词辨析sit to be resting your weight on your bottom somewhere, or to move into this position以臀部为支撑坐在某处，或进入这一姿势。: · He was sitting in front of the fire.· 他坐在壁炉前。· She sat on the bed and kicked off her shoes.· 她坐到床上，脱掉了鞋子。· Who is the man sitting next to Karen?· 坐在Karen旁边的那个男人是谁？sit down to sit on a chair, bed, floor etc after you have been standing在站立之后坐到椅子、床、地板等上。: · I sat down on the sofa.· 我在沙发上坐了下来。· Come in and sit down.· 进来，请坐。be seated formal正式 to be sitting in a particular chair or place坐在特定的椅子或位置上。: · John was seated on my left.· John坐在我的左边。· There was a man seated behind the desk.· 书桌后面坐着一个男人。take a seat to sit – used especially when asking someone to sit down坐下——尤用于请人落座时。: · Please take a seat – she will be with you in a minute.· 请坐——她马上就来。· Would the audience please take their seats – the show will begin in five minutes.· 请观众就座——演出将于五分钟后开始。sink into something to sit in a comfortable chair and let yourself fall back into it坐在舒适的椅子上，让身体往后靠入椅中。: · We switched on the TV and sank into our armchairs.· 我们打开电视，陷入了各自的扶手椅里。lounge to sit in a very comfortable relaxed way以非常舒适放松的方式坐着。: · They lounged around all day by the pool.· 他们整天悠闲地待在泳池边。perch to sit on the edge of something坐在某物的边缘。: · He perched on the arm of the sofa.· 他坐在沙发扶手上。· My sister was perched (=was sitting) on a high stool.· 我姐姐搭坐（＝坐着）在一张高脚凳上。be slumped to be sitting while leaning against something, especially because you are injured, drunk, or asleep靠着某物坐着，尤指因受伤、醉酒或入睡。: · They found him slumped against the steering wheel.· 他们发现他瘫靠在方向盘上。squat to sit with your knees bent under you, your bottom just off the ground, balancing on your feet双膝弯曲，臀部接近地面，以双脚保持平衡蹲坐。: · A little boy was squatting at the edge of the pool.· 一个小男孩蹲在游泳池边。sit around (also sit about British English) phrasal verb to spend a lot of time sitting and doing nothing very useful花大量时间坐着无所事事。: We sat around for a bit, chatting.我们随意坐了一会儿，聊着天。sit back phrasal verb1to get into a comfortable position, for example in a chair, and relax在如椅子等处调整到舒适姿势，放松休息。: Sit back and relax – I’ll open a bottle of wine.靠后坐，放松——我来开一瓶酒。2to relax and make no effort to get involved in something or influence what happens轻松以待，不主动参与某事或干预其走向。: Don’t just sit back and wait for new business to come to you.不要只是坐等新生意自己上门。sit by phrasal verb to allow something wrong or illegal to happen without doing anything about it对错误或违法的事情袖手旁观，不采取任何行动。: I’m not going to sit by and watch a man go to prison for something I’ve done.我不会袖手旁观，眼睁睁看着一个人因为我的所作所为而坐牢。sit down phrasal verb1to be in a sitting position or get into a sitting position处于坐姿或进入坐姿。: It was good to be sitting down eating dinner with my family.能坐下来和家人一起吃晚饭，真是惬意。 Sit down, Amy – you look tired.Amy，坐下来——你看起来累了。sit yourself down Sit yourself down and have a drink.坐下来，喝点东西。2sit somebody down to make someone sit down or help them to sit down让某人坐下来或帮助某人坐下来。sit down in/on I helped her into the room and sat her down in an armchair.我扶她进了房间，让她在扶手椅上坐了下来。3sit down and do something to try to solve a problem or deal with something that needs to be done, by giving it all your attention集中全力解决问题或处理待办之事。: The three of us need to sit down and have a talk.我们三个人需要坐下来好好谈谈。 Sit down and work out just what you spend.坐下来，认真算清楚自己的开销。sit in phrasal verb to be present at a meeting but not take an active part in it出席会议但不积极参与。sit in on Would you like to sit in on some of my interviews?你愿意旁听我的几场访谈吗？sit in for somebody phrasal verb to do a job, go to a meeting etc instead of the person who usually does it代替通常担任某职务或出席会议的人。: This is Alan James sitting in for Suzy Williams on the mid-morning show.这里是Alan James，今天代替Suzy Williams主持上午节目。sit on something phrasal verb informal非正式 to delay dealing with something拖延处理某事。: I sent my application about six weeks ago and they’ve just been sitting on it.我大约六周前就寄出了申请，但他们一直压着没处理。sit something ↔ out phrasal verb1to stay where you are and do nothing until something finishes, especially something boring or unpleasant待在原地不动，等候某事结束，尤指令人厌烦或不快之事。: She had two weeks to sit it out while she waited to hear if she had got the job.她有两个星期的时间煎熬等待，看自己是否得到了那份工作。 She was prepared to sit out the years of Jack’s jail sentence.她做好了熬过Jack服刑岁月的准备。2to not take part in something, especially a game or dance, when you usually take part不参加某事，尤指平时会参与的游戏或舞蹈。: Johnson sat out the game with a shoulder injury.Johnson因肩伤缺席了那场比赛。sit through something phrasal verb to attend a meeting, performance etc, and stay until the end, even if it is very long and boring出席会议、演出等并坚持到最后，即使非常漫长枯燥。: I wasn’t the least bit interested in all the speeches I had to sit through.我对那些不得不坐着听完的演讲毫无兴趣。sit up phrasal verb1to be in a sitting position or get into a sitting position after you have been lying down躺卧之后进入坐姿，或处于坐姿。: He was sitting up in bed, reading his book.他坐在床上，读着他的书。 She sat up and reached for her glass.她坐了起来，伸手去拿杯子。2 sit somebody up to help someone to sit after they have been lying down帮助躺着的人坐起来。sit up in/on etc I’ll sit you up on the pillows and you’ll be nice and comfortable.我来扶你靠着枕头坐起来，你会很舒服的。3to sit in a chair with your back straight挺直背脊坐在椅子上。: Just sit up straight and stop slouching.坐直，别无精打采地弓着身子。4to stay up very late熬夜，很晚不睡。: Sometimes we just sit up and watch videos all night.有时候我们就整晚不睡，一直看视频。5sit up (and take notice) to suddenly start paying attention to someone, because they have done something surprising or impressive因某人做了令人惊讶或印象深刻的事而突然对其刮目相看。: If Maria succeeded, then everyone would sit up and take notice.如果Maria成功了，所有人都会刮目相看。
查看全部语言翻译1in a chair etc a) (also be sitting down) [intransitive] to be on a chair or seat, or on the ground, with the top half of your body upright and your weight resting on your buttocks坐在椅子、座位或地上，上半身直立，重量落于臀部。sit on/in/by etc I sat on the shore and looked at the sea.我坐在岸边，望着大海。 She was sitting in a chair by the fire.她坐在火炉旁的椅子上。 She’s the girl who sits next to me at school.她是在学校里坐我旁边的那个女孩。 In the driving seat sat a man of average height.驾驶座上坐着一个中等身高的男子。sit at a desk/table etc (=sit facing it)（＝面朝它坐） Jean sat at the table writing a letter.Jean坐在桌旁写信。sit doing something They sat sipping their drinks.他们坐着，慢慢啜饮着饮料。 We used to sit and listen to her for hours.我们过去常常坐上几个小时，静静地听她说话。 b) (also sit down) [intransitive always + adverb/preposition] to get into a sitting position somewhere after you have been standing up站立之后，在某处坐下。: He came over and sat beside her.他走过来，坐在她身旁。 Sam sat opposite her and accepted a cigarette.Sam坐在她对面，接过了一支烟。 c) (also sit somebody down) [transitive always + adverb/preposition] to make someone sit, or help them to sit使某人坐下，或帮助某人坐下。sit somebody on/in etc something I gently led her to the chair and sat her on it.我轻轻地把她引到椅子旁，让她坐了下去。2objects/buildings etc [intransitive always + adverb/preposition] to be in a particular position or condition处于特定位置或状态。sit on/in etc a little church sitting on a hillside坐落在山坡上的一座小教堂 The parliament building sits in a large square.议会大厦坐落在一个大广场中。 He’s got a computer sitting on his desk, but he doesn’t use it.他桌上摆着一台电脑，但他不用。 My climbing boots were sitting unused in a cupboard.我的登山靴闲置在柜子里，从未用过。 The house has sat empty for two years.这栋房子已经空置了两年。3do nothing [intransitive always + adverb/preposition] to stay in one place for a long time, especially sitting down, doing nothing useful or helpful长时间待在一处，尤指坐着无所事事，毫无裨益。: I spent half the morning sitting in a traffic jam.我有半个上午堵在路上。 Well, I can’t sit here chatting all day.好了，我可不能整天坐在这里闲聊。 Are you just going to sit there complaining?你就只是坐在那儿抱怨吗？4committee/parliament etc [intransitive] to be a member of a committee, parliament, or other official group担任委员会、议会或其他官方机构的成员。sit in/on They both sat on the management committee.他们俩都是管理委员会的成员。 He was the first journalist to sit in parliament.他是第一位进入议会的记者。5meeting [intransitive] to have a meeting in order to carry out official business召开会议以处理正式事务。: The council only sits once a month.议会每月只开一次会。 The court will sit until all the evidence has been heard.法庭将继续开庭，直到所有证据都审听完毕。6animal/bird [intransitive always + adverb/preposition] a)to be in, or get into, a resting position, with the tail end of the body resting on a surface（指动物）处于或进入休息姿势，臀部着于地面。: The cat likes to sit on the wall outside the kitchen.那只猫喜欢坐在厨房外面的墙上。 b) Sit! used to tell a dog to sit with the tail end of its body resting on the ground or floor用于命令狗坐下（臀部着地）。 c)if a bird sits on its eggs, it covers them with its body to make the eggs hatch鸟若坐在蛋上，即以身体覆盖蛋使其孵化。7look after [intransitive + for] to look after a baby or child while its parents are out在父母外出期间照看婴幼儿。 SYN babysit8sit tight spoken口语 a)to stay where you are and not move待在原地，不要动。: Just sit tight – I’ll be there in five minutes.待在那儿别动——我五分钟后就到。 b)to stay in the same situation, and not change your mind and do anything new维持现状，不改变主意，不采取新行动。: We’re advising all our investors to sit tight till the market improves.我们建议所有投资者按兵不动，等待市场好转。9be sitting pretty to be in a very good or favourable position处于非常有利的处境。: We’ve paid off the mortgage, so we’re sitting pretty now.我们已经还清了抵押贷款，现在的处境相当不错。10sit in judgment (on/over somebody) to give your opinion about whether someone has done something wrong, especially when you have no right to do this对他人是否犯错作出评判，尤指自己无权这样做时。: How can you sit in judgment on somebody you hardly know?你怎么能对一个你几乎不认识的人妄加评判？11not sit well/easily/comfortably (with somebody) if a situation, plan etc does not sit well with someone, they do not like it若某种情况、计划等令某人感到不适，则意味着他们不喜欢此事。: He had never before been accused of stealing, and it did not sit well with him.他从未被指控过偷窃，这令他十分不快。12sit on the fence to avoid saying which side of an argument you support or what your opinion is about a particular subject回避表明自己在争论中支持哪一方，或对某一特定问题的看法。: The weakness of the book is that it sits on the fence on important issues.这本书的弱点在于它在重要问题上不肯表明立场。13sit on your hands to delay taking action when you should do something在应当采取行动时拖延不动。: Workers are losing their jobs while the government sits on its hands and does nothing.工人们正在失业，而政府却坐视不动，无所作为。14exams [intransitive, transitive] British English to take an examination参加考试。: Tracy’s sitting her GCSEs this year.Tracy今年参加普通中等教育证书考试。sit for They were preparing children to sit for the entry examination.他们正在准备孩子们参加入学考试。15picture/photo [intransitive] to sit somewhere so that you can be painted or photographed坐于某处以供绘画或拍照。sit for She sat for (=was painted by) Holman Hunt and Millais.她曾为霍尔曼·亨特和米莱斯做模特（＝被他们画过）。COLLOCATIONS词语搭配adverbs副词sit still (=without moving)· Young children find it almost impossible to sit still.· 幼儿几乎不可能安静地坐着不动。sit quietly (=without talking)· Mac sat quietly in the back of the car.· Mac静静地坐在车后座。be sitting comfortably· She was sitting comfortably on the sofa.· 她舒舒服服地坐在沙发上。sit up straight/sit upright (=with your back straight)· Sit up straight at the table, Maddie.· Maddie，在桌子旁坐直了。sit bolt upright (=suddenly sit up very straight, for example because you hear something)· Suddenly she sat bolt upright and said, ‘What was that?’· 她突然猛地坐直，说："那是什么？"sit cross-legged (=with your legs bent and crossed over in front of you)· She sat cross-legged on the grass.· 她盘腿坐在草地上。THESAURUS同义词辨析sit to be resting your weight on your bottom somewhere, or to move into this position以臀部为支撑坐在某处，或进入这一姿势。: · He was sitting in front of the fire.· 他坐在壁炉前。· She sat on the bed and kicked off her shoes.· 她坐到床上，脱掉了鞋子。· Who is the man sitting next to Karen?· 坐在Karen旁边的那个男人是谁？sit down to sit on a chair, bed, floor etc after you have been standing在站立之后坐到椅子、床、地板等上。: · I sat down on the sofa.· 我在沙发上坐了下来。· Come in and sit down.· 进来，请坐。be seated formal正式 to be sitting in a particular chair or place坐在特定的椅子或位置上。: · John was seated on my left.· John坐在我的左边。· There was a man seated behind the desk.· 书桌后面坐着一个男人。take a seat to sit – used especially when asking someone to sit down坐下——尤用于请人落座时。: · Please take a seat – she will be with you in a minute.· 请坐——她马上就来。· Would the audience please take their seats – the show will begin in five minutes.· 请观众就座——演出将于五分钟后开始。sink into something to sit in a comfortable chair and let yourself fall back into it坐在舒适的椅子上，让身体往后靠入椅中。: · We switched on the TV and sank into our armchairs.· 我们打开电视，陷入了各自的扶手椅里。lounge to sit in a very comfortable relaxed way以非常舒适放松的方式坐着。: · They lounged around all day by the pool.· 他们整天悠闲地待在泳池边。perch to sit on the edge of something坐在某物的边缘。: · He perched on the arm of the sofa.· 他坐在沙发扶手上。· My sister was perched (=was sitting) on a high stool.· 我姐姐搭坐（＝坐着）在一张高脚凳上。be slumped to be sitting while leaning against something, especially because you are injured, drunk, or asleep靠着某物坐着，尤指因受伤、醉酒或入睡。: · They found him slumped against the steering wheel.· 他们发现他瘫靠在方向盘上。squat to sit with your knees bent under you, your bottom just off the ground, balancing on your feet双膝弯曲，臀部接近地面，以双脚保持平衡蹲坐。: · A little boy was squatting at the edge of the pool.· 一个小男孩蹲在游泳池边。sit around (also sit about British English) phrasal verb to spend a lot of time sitting and doing nothing very useful花大量时间坐着无所事事。: We sat around for a bit, chatting.我们随意坐了一会儿，聊着天。sit back phrasal verb1to get into a comfortable position, for example in a chair, and relax在如椅子等处调整到舒适姿势，放松休息。: Sit back and relax – I’ll open a bottle of wine.靠后坐，放松——我来开一瓶酒。2to relax and make no effort to get involved in something or influence what happens轻松以待，不主动参与某事或干预其走向。: Don’t just sit back and wait for new business to come to you.不要只是坐等新生意自己上门。sit by phrasal verb to allow something wrong or illegal to happen without doing anything about it对错误或违法的事情袖手旁观，不采取任何行动。: I’m not going to sit by and watch a man go to prison for something I’ve done.我不会袖手旁观，眼睁睁看着一个人因为我的所作所为而坐牢。sit down phrasal verb1to be in a sitting position or get into a sitting position处于坐姿或进入坐姿。: It was good to be sitting down eating dinner with my family.能坐下来和家人一起吃晚饭，真是惬意。 Sit down, Amy – you look tired.Amy，坐下来——你看起来累了。sit yourself down Sit yourself down and have a drink.坐下来，喝点东西。2sit somebody down to make someone sit down or help them to sit down让某人坐下来或帮助某人坐下来。sit down in/on I helped her into the room and sat her down in an armchair.我扶她进了房间，让她在扶手椅上坐了下来。3sit down and do something to try to solve a problem or deal with something that needs to be done, by giving it all your attention集中全力解决问题或处理待办之事。: The three of us need to sit down and have a talk.我们三个人需要坐下来好好谈谈。 Sit down and work out just what you spend.坐下来，认真算清楚自己的开销。sit in phrasal verb to be present at a meeting but not take an active part in it出席会议但不积极参与。sit in on Would you like to sit in on some of my interviews?你愿意旁听我的几场访谈吗？sit in for somebody phrasal verb to do a job, go to a meeting etc instead of the person who usually does it代替通常担任某职务或出席会议的人。: This is Alan James sitting in for Suzy Williams on the mid-morning show.这里是Alan James，今天代替Suzy Williams主持上午节目。sit on something phrasal verb informal非正式 to delay dealing with something拖延处理某事。: I sent my application about six weeks ago and they’ve just been sitting on it.我大约六周前就寄出了申请，但他们一直压着没处理。sit something ↔ out phrasal verb1to stay where you are and do nothing until something finishes, especially something boring or unpleasant待在原地不动，等候某事结束，尤指令人厌烦或不快之事。: She had two weeks to sit it out while she waited to hear if she had got the job.她有两个星期的时间煎熬等待，看自己是否得到了那份工作。 She was prepared to sit out the years of Jack’s jail sentence.她做好了熬过Jack服刑岁月的准备。2to not take part in something, especially a game or dance, when you usually take part不参加某事，尤指平时会参与的游戏或舞蹈。: Johnson sat out the game with a shoulder injury.Johnson因肩伤缺席了那场比赛。sit through something phrasal verb to attend a meeting, performance etc, and stay until the end, even if it is very long and boring出席会议、演出等并坚持到最后，即使非常漫长枯燥。: I wasn’t the least bit interested in all the speeches I had to sit through.我对那些不得不坐着听完的演讲毫无兴趣。sit up phrasal verb1to be in a sitting position or get into a sitting position after you have been lying down躺卧之后进入坐姿，或处于坐姿。: He was sitting up in bed, reading his book.他坐在床上，读着他的书。 She sat up and reached for her glass.她坐了起来，伸手去拿杯子。2 sit somebody up to help someone to sit after they have been lying down帮助躺着的人坐起来。sit up in/on etc I’ll sit you up on the pillows and you’ll be nice and comfortable.我来扶你靠着枕头坐起来，你会很舒服的。3to sit in a chair with your back straight挺直背脊坐在椅子上。: Just sit up straight and stop slouching.坐直，别无精打采地弓着身子。4to stay up very late熬夜，很晚不睡。: Sometimes we just sit up and watch videos all night.有时候我们就整晚不睡，一直看视频。5sit up (and take notice) to suddenly start paying attention to someone, because they have done something surprising or impressive因某人做了令人惊讶或印象深刻的事而突然对其刮目相看。: If Maria succeeded, then everyone would sit up and take notice.如果Maria成功了，所有人都会刮目相看。