tighten 的英语意思
tightentighten /ˈtaɪtn/ (also tighten up) verb 
查看全部语言翻译1[transitive] to close or fasten something firmly by turning it通过旋转将某物牢固地关闭或固定 OPP loosen: 
Tighten the screws firmly.将螺丝拧紧。 I’d put the new tyre on, but I hadn’t tightened up the wheel.我换上了新轮胎，但没有把车轮拧紧。2[intransitive, transitive] if you tighten a rope, wire etc, or if it tightens, it is stretched or pulled so that it becomes tight将绳子、电线等拉紧，或其自行绷紧，指经拉伸或拉扯使之变得紧绷: When you tighten guitar strings, the note gets higher.拧紧吉他弦时，音调会升高。 The rope tightened around his body.绳子绷紧在他的身上。3[intransitive, transitive] to become stiff or make a part of your body become stiff（身体某部分）变得僵硬，或使身体某部分变得僵硬 OPP relax: His mouth tightened into a thin, angry line.他的嘴绷成一道细细的怒线。 Tighten up the muscles of both arms.绷紧双臂的肌肉。4tighten your grip/hold on something a)to control a place or situation more strictly更严格地控制某地或某局面: Rebel forces have tightened their hold on the capital.叛军已加强了对首都的控制。 b)to hold someone or something more firmly更牢固地握住某人或某物: Sarah tightened her grip on my arm.莎拉加紧了对我手臂的抓握。5[transitive] to make a rule, law, or system more strict使规定、法律或制度更为严格 OPP relax: Efforts to tighten the rules have failed.加强规定的努力均以失败告终。tighten up on something a range of measures to tighten up on illegal share dealing一系列加强打击非法股票交易的措施6tighten your belt informal非正式 to try to spend less money than you used to尽量减少开支，少花钱: Businesses were tightening their belts and cutting jobs.企业纷纷勒紧腰带，裁员减岗。7tighten the screws (on somebody) informal非正式 to try to force someone to do something, by threatening them or making things difficult for them – used in news reports通过威胁或制造困难迫使某人做某事——用于新闻报道: Closing the border would tighten the screws on the terrorists.关闭边境将对恐怖分子施加更大压力。8[intransitive] American English if a race or competition tightens, the distance between the competitors becomes smaller若比赛或竞争形势趋紧，指参赛者之间的差距缩小: He expects the presidential race to tighten.他预计总统大选的竞争将更加激烈。tighten up phrasal verb if a team or group tightens up, they start working together more effectively若团队或群体凝聚力增强，则指他们开始更有效地协同合作tighten something ↔ up We have tightened up the defence and are winning matches as a result.我们加强了防守，并因此赢得了比赛。
查看全部语言翻译1[transitive] to close or fasten something firmly by turning it通过旋转将某物牢固地关闭或固定 OPP loosen: Tighten the screws firmly.将螺丝拧紧。 I’d put the new tyre on, but I hadn’t tightened up the wheel.我换上了新轮胎，但没有把车轮拧紧。2[intransitive, transitive] if you tighten a rope, wire etc, or if it tightens, it is stretched or pulled so that it becomes tight将绳子、电线等拉紧，或其自行绷紧，指经拉伸或拉扯使之变得紧绷: When you tighten guitar strings, the note gets higher.拧紧吉他弦时，音调会升高。 The rope tightened around his body.绳子绷紧在他的身上。3[intransitive, transitive] to become stiff or make a part of your body become stiff（身体某部分）变得僵硬，或使身体某部分变得僵硬 OPP relax: His mouth tightened into a thin, angry line.他的嘴绷成一道细细的怒线。 Tighten up the muscles of both arms.绷紧双臂的肌肉。4tighten your grip/hold on something a)to control a place or situation more strictly更严格地控制某地或某局面: Rebel forces have tightened their hold on the capital.叛军已加强了对首都的控制。 b)to hold someone or something more firmly更牢固地握住某人或某物: Sarah tightened her grip on my arm.莎拉加紧了对我手臂的抓握。5[transitive] to make a rule, law, or system more strict使规定、法律或制度更为严格 OPP relax: Efforts to tighten the rules have failed.加强规定的努力均以失败告终。tighten up on something a range of measures to tighten up on illegal share dealing一系列加强打击非法股票交易的措施6tighten your belt informal非正式 to try to spend less money than you used to尽量减少开支，少花钱: Businesses were tightening their belts and cutting jobs.企业纷纷勒紧腰带，裁员减岗。7tighten the screws (on somebody) informal非正式 to try to force someone to do something, by threatening them or making things difficult for them – used in news reports通过威胁或制造困难迫使某人做某事——用于新闻报道: Closing the border would tighten the screws on the terrorists.关闭边境将对恐怖分子施加更大压力。8[intransitive] American English if a race or competition tightens, the distance between the competitors becomes smaller若比赛或竞争形势趋紧，指参赛者之间的差距缩小: He expects the presidential race to tighten.他预计总统大选的竞争将更加激烈。tighten up phrasal verb if a team or group tightens up, they start working together more effectively若团队或群体凝聚力增强，则指他们开始更有效地协同合作tighten something ↔ up We have tightened up the defence and are winning matches as a result.我们加强了防守，并因此赢得了比赛。