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tighten
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音标：英 ['taɪt(ə)n] 美 ['taɪtn]
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解释：
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vt. 变紧；使变紧
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vi. 绷紧；变紧
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中文词源：
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tighten 拉紧，绷紧tight,拉紧的，-en,使。
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英文词源：
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tighten (v.)
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"to make tight," 1727; the earlier verb was simply tight, from Old English tyhtan, from the root of tight. Related: Tightened; tightening.
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双语例句：
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1. An attempt by anti-abortionists to tighten the rules was defeated.
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反堕胎者所作的加强法规的尝试失败了。
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来自柯林斯例句
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2. The United States plans to tighten the economic sanctions currently in place.
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美国计划加大现有经济制裁的力度。
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来自柯林斯例句
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3. I used my thumbnail to tighten the screw on my lamp.
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我用拇指指甲把台灯上的螺钉拧紧了。
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来自柯林斯例句
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4. Until this week, every attempt to tighten up the law had failed.
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到本周为止，一切旨在严格执法的努力都失败了。
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来自柯林斯例句
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5. He accused ministers of breaking election pledges to tighten up on immigration.
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他指责部长们没有兑现在竞选中许下的加强移民管制的诺言。
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来自柯林斯例句
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更多相关例句：
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The rope holding the boat suddenly tightened and broke.
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系船的绳子突然绷断了。【牛津词典】
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His mouth tightened into a thin line.
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他的嘴抿成了一道细缝。【牛津词典】
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to tighten a lid/screw/rope/knot
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拧紧盖子 / 螺钉；绷紧绳子；打紧结【牛津词典】
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The nuts weren't properly tightened and the wheel came off.
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螺母没拧紧，轮子脱落了。【牛津词典】
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She tightened her grip on his arm.
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她抓他的手臂抓得更紧了。【牛津词典】
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to tighten security
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加强安全措施【牛津词典】
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Laws on gambling have tightened up recently.
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有关赌博的法律最近变得更加严厉。【牛津词典】
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The police are tightening up on under-age drinking.
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警方正在采取更加严厉的措施对付未成年人饮酒的问题。【牛津词典】
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Luke answered by tightening his grip on her shoulder...
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卢克的回应就是把她的肩头抓得更紧了。【柯林斯高阶英语词典】
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Her arms tightened about his neck in gratitude...
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她充满感激，把他的脖子搂得更紧了。【柯林斯高阶英语词典】
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The anchorman flung his whole weight back, tightening the rope...
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那个压阵队员使尽了全身力气往后拽，把绳子拉得紧紧的。【柯林斯高阶英语词典】
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The cables tightened and he was lifted gradually from the deck.
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缆绳绷紧了，他被慢慢地吊离了甲板。【柯林斯高阶英语词典】
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He knows he has considerable support for his plans to tighten his grip on the machinery of central government...
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他清楚有相当多的人支持他对中央政府机构加强控制的计划。【柯林斯高阶英语词典】
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As the regime's grip on the mainland tightened over the next few years, hundreds of thousands more people fled south.
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随着后来几年那个政权加强对大陆的控制，又有数十万人逃往南方。【柯林斯高阶英语词典】
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I used my thumbnail to tighten the screw on my lamp...
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我用拇指指甲把台灯上的螺钉拧紧了。【柯林斯高阶英语词典】
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All the bolts were fully tightened.
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所有的螺钉都拧紧了。【柯林斯高阶英语词典】
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Sofia's throat had tightened and she couldn't speak...
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索菲娅喉咙哽住了，说不出话来。【柯林斯高阶英语词典】
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She saw his jaw tighten and his face lose its colour.
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她看见他的下巴绷紧，脸色煞白。【柯林斯高阶英语词典】
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The United States plans to tighten the economic sanctions currently in place...
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美国计划加大现有经济制裁的力度。【柯林斯高阶英语词典】
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They have tightened security along the border...
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他们加强了边境的安全工作。【柯林斯高阶英语词典】
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They had to tighten their belts.【出自-2012年12月阅读原文】
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Health and environmental advocates have long urged U.S.government agencies to tighten the use of some of the 11 chemicals the report cites and called for more studies on their long-term effects.【2015年12月六级真题（第一套）阅读 Section A】
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You can expect that noose (束缚) to continue to tighten.【2017年12月六级真题（第三套）阅读 Section B】
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Nations would not need to tighten their emissions targets.【2016年高考英语上海卷 阅读理解 阅读B 选项】
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Now, several states are moving to tighten laws by adding new regulations for opting out.【2017年高考英语北京卷 阅读理解 阅读C 原文】
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To meet this minimum goal, the agreement requires countries to tighten emissions targets every five years.【2016年高考英语上海卷 阅读理解 阅读B 原文】
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