until 的英语意思
untiluntil /ʌnˈtɪl, ən-/ preposition, conjunction 
查看全部语言翻译1if something happens until a particular time, it continues and then stops at that time若某事持续到某一特定时间，即表示该事一直延续至该时刻才停止: 
The ticket is valid until March.该票有效期至三月。 He waited until she had finished speaking.他等到她说完话。 Until recently, Anna worked as a teacher in Japan.直到最近，安娜一直在日本担任教师。 Up until last year, they didn’t even own a car.直到去年，他们甚至连车都没有。2 not until used to emphasize that something does not happen before a certain point in time or before something else has happened用于强调某事在特定时间点到来之前，或在另一件事发生之前不会发生: ‘Can I go out and play now?’ ‘Not until you’ve done your homework.’"我现在可以出去玩了吗？""做完作业才行。" It was not until 1972 that the war finally came to an end.直到1972年，战争才最终结束。Register语体In everyday English, people often say till rather than until:· I’ll wait till you get back.在日常英语中，人们常用 till 而非 until：· I'll wait till you get back.（我等你回来。）GRAMMAR: Choosing the right tense语法：选择正确的时态• You use the simple present tense with until: · I will wait until I hear from you.• 在 until 后的从句中使用一般现在时：· I will wait until I hear from you.（我会等你联系我。）• Don’t use ‘will’ in the clause after until. ✗Don’t say: I will wait until I will hear from you.• 不要在 until 后面的从句中使用 will。✗ 不要说：I will wait until I will hear from you.• You can also use the present perfect tense with until: · I will wait until I have heard from you.· Stir until the sugar has dissolved. ✗Don’t say: until I will have heard from you | until the sugar will have dissolved• 与 until 连用时也可以用现在完成时：· I will wait until I have heard from you.（我会等到收到你的消息。）· Stir until the sugar has dissolved.（搅拌直至糖溶解。）✗ 不要说：until I will have heard from you | until the sugar will have dissolved• You can also use the past perfect tense with until: · I waited until the train had left the station.Grammar guide ‒ VERBS• 与 until 连用时也可以用过去完成时：· I waited until the train had left the station.（我等到火车离开了车站。）语法指南 ‒ 动词USAGE: Until now, so far用法：Until now 与 so far• You usually use until now when a situation has just ended or changed: · I have never thought about it until now (=but now I have thought about it).• 当某种情况刚刚结束或发生变化时，通常使用 until now：· I have never thought about it until now（=但我现在已经想过了）。• You use so far when a situation has not changed: · We don't have any news about him so far. ✗Don’t say: We don't have any news about him until now.• 当某种情况尚未发生变化时，使用 so far：· We don't have any news about him so far.（目前我们没有他的任何消息。）✗ 不要说：We don't have any news about him until now.
查看全部语言翻译1if something happens until a particular time, it continues and then stops at that time若某事持续到某一特定时间，即表示该事一直延续至该时刻才停止: The ticket is valid until March.该票有效期至三月。 He waited until she had finished speaking.他等到她说完话。 Until recently, Anna worked as a teacher in Japan.直到最近，安娜一直在日本担任教师。 Up until last year, they didn’t even own a car.直到去年，他们甚至连车都没有。2 not until used to emphasize that something does not happen before a certain point in time or before something else has happened用于强调某事在特定时间点到来之前，或在另一件事发生之前不会发生: ‘Can I go out and play now?’ ‘Not until you’ve done your homework.’"我现在可以出去玩了吗？""做完作业才行。" It was not until 1972 that the war finally came to an end.直到1972年，战争才最终结束。Register语体In everyday English, people often say till rather than until:· I’ll wait till you get back.在日常英语中，人们常用 till 而非 until：· I'll wait till you get back.（我等你回来。）GRAMMAR: Choosing the right tense语法：选择正确的时态• You use the simple present tense with until: · I will wait until I hear from you.• 在 until 后的从句中使用一般现在时：· I will wait until I hear from you.（我会等你联系我。）• Don’t use ‘will’ in the clause after until. ✗Don’t say: I will wait until I will hear from you.• 不要在 until 后面的从句中使用 will。✗ 不要说：I will wait until I will hear from you.• You can also use the present perfect tense with until: · I will wait until I have heard from you.· Stir until the sugar has dissolved. ✗Don’t say: until I will have heard from you | until the sugar will have dissolved• 与 until 连用时也可以用现在完成时：· I will wait until I have heard from you.（我会等到收到你的消息。）· Stir until the sugar has dissolved.（搅拌直至糖溶解。）✗ 不要说：until I will have heard from you | until the sugar will have dissolved• You can also use the past perfect tense with until: · I waited until the train had left the station.Grammar guide ‒ VERBS• 与 until 连用时也可以用过去完成时：· I waited until the train had left the station.（我等到火车离开了车站。）语法指南 ‒ 动词USAGE: Until now, so far用法：Until now 与 so far• You usually use until now when a situation has just ended or changed: · I have never thought about it until now (=but now I have thought about it).• 当某种情况刚刚结束或发生变化时，通常使用 until now：· I have never thought about it until now（=但我现在已经想过了）。• You use so far when a situation has not changed: · We don't have any news about him so far. ✗Don’t say: We don't have any news about him until now.• 当某种情况尚未发生变化时，使用 so far：· We don't have any news about him so far.（目前我们没有他的任何消息。）✗ 不要说：We don't have any news about him until now.