| 单词 | tighten |
| 释义 | tighten verbadverb | verb + tighten | preposition adverb➤a little, slightly, etc.使稍微变紧；使稍紧一些➤considerably大幅收紧▸➤gradually, slowly逐步／慢慢变紧▸➤suddenly突然变紧▸➤instinctively, involuntarily, unconsciously本能地／不由自主地／无意识地收紧◆her fingers tightened unconsciously with every jolt she received.她每受一次颠簸，她的手指都会无意识地并拢。➤painfully紧得令人痛苦▸➤up使更牢固◆can you tighten up the bolts for me?你能帮我紧紧螺栓吗？verb + tighten➤seem to好像变紧▸➤feel sth感到⋯变紧◆he felt his stomach tighten.他感到肚子发紧。➤make sth使⋯变紧◆his words made her throat tighten.他的话使她喉咙发紧。preposition➤about, around, round (especially bre) 紧绕着⋯◆his hand tightened painfully around her wrist.他的手紧紧握住她的手腕，弄得她生疼。➤on抓紧⋯◆her grip seemed to tighten on the door handle.她似乎把门把手抓得更紧了。➤in因⋯变紧◆he saw his father's jaw tighten in irritation.他看到父亲气得紧咬牙关。➤into紧闭成⋯◆his mouth tightened into a thin hard line.他的嘴紧绷成一道细缝。➤with因为⋯变紧◆her face tightened with pain.她痛得紧绷着脸。 tighten /taɪtn/ verb [transitive] tighten sth (up) to make sth become stricter; to increase control over sth 使更加严格；加强◆the government is to tighten the rules on drug advertising. 政府将制订更加严格的药品广告管理规定。⨁ to tighten policy / regulations / rules / security使政策更严格；严格规章制度；加强安全措施 ▸ tightening noun [uncountable; singular] (a) tightening (up) of sth ◆a tightening of safety standards 严格安全标准 ●tighten your beltto spend less money because there is less available 勒紧腰带（省吃俭用）◆with price increases on most goods, everyone is having to tighten their belt. 随着大多数商品的价格上涨，每个人都不得不勒紧腰带。 ➡ belt-tightening ➡ idiom at purse ●tighten up (on sth)to become stricter or more careful 变得更加严格（或小心）◆steps to tighten up on tax evasion 对避税严加管理的措施☞ tighten tighten verbtighten ♦︎ clench ♦︎ tense ♦︎ grit your teeth ♦︎ screw your eyes/face upthese words all mean to make sth become tight or tighter.这些词均表示使变紧、使更加牢固。patterns and collocations 句型和搭配◆to tighten / clench / tense / grit your teeth / screw your eyes up with / in pain, irritation, etc.◆to tighten / clench your hand / fist / jaw◆to tighten / tense your muscles◆to clench / grit your teeth◆your jaw / hand tightens / clenches / tenses◆your fist / stomach tightens / clenches◆your muscles tighten / tense◆to tighten / clench / tense (sth) involuntarily◆to clench / grit your teeth / screw your eyes up tight / tightly■ tighten [intransitive, transitive] to become or make sth tight or tighter使变紧；使更加牢固◆his mouth tightened into a thin line.他的嘴紧抿成一道细缝。◆this tool is for tightening screws.这个工具是用来拧紧螺丝的。◆she tightened her grip on his arm.她把他的手臂抓得更紧了。◆the brake cable needs tightening up.刹车线需要调紧。opp relax , loosen , slacken → relax 2 ■ clench [transitive, intransitive] to press your hands, teeth or stomach muscles together tightly, usually showing that you are angry, determined or upset; (of hands, teeth or stomach muscles) to be pressed together tightly in this way（通常表示愤怒、决心或不安时）捏紧，绷紧，咬紧◆he clenched his fists in anger.他愤怒地攥紧了拳头。◆through clenched teeth she told him to leave.她咬牙切齿地让他离开。◆his fists clenched slowly until his knuckles were white.他慢慢握紧拳头，指关节都发白了。■ tense /tens/ [intransitive, transitive] to make your muscles tight and stiff, especially because you are not relaxed（尤指因紧张）绷紧（肌肉）；（肌肉）拉紧◆she tensed, hearing the strange noise again.再次听到那个奇怪的声音时，她紧张起来。◆he tensed himself, listening to see if anyone had followed him.他绷紧神经，仔细听是否有人跟踪自己。◆expecting a blow, she tensed every muscle in her body.她绷紧了全身肌肉，准备接受打击。 opp relax → relax 2 ➡ see also tense → tense adj. ■ grit your teeth -->idiom(-tt-)to bite your teeth tightly together; to be determined to continue to do sth in a difficult or unpleasant situation咬紧牙关；下定决心；鼓起勇气◆she gritted her teeth against the pain.她咬牙忍痛。◆it started to rain harder, but we gritted our teeth and carried on.雨开始大起来，可我们鼓起勇气继续进行。note 辨析 grit your teeth or clench your teeth? grit your teeth is used especially to talk about showing determination; clench your teeth is used more often to talk about keeping your mouth tightly shut in order to avoid making a noise such as shouting with anger or pain, or in order to stop your teeth from knocking together because you are cold or frightened. * grit your teeth 尤用于显示决心； clench your teeth 更常指闭紧嘴巴，以避免因愤怒或痛苦而喊出声，或避免因寒冷或害怕而牙齿打颤。■ screw your eyes up-->■ screw your face up -->idiomto tighten the muscles of your eyes or face, for example because the light is too strong, you are in pain or you don't like the taste or look of sth（因光线太强、疼痛或厌恶等）眯起眼睛，面容扭曲◆he took a sip of the medicine and screwed up his face.他喝了一小口药，脸扭作一团。tighten [intransitive, transitive] to become or make sth tight or tighter使变紧；使更加牢固◆his mouth tightened into a thin line.他的嘴紧抿成一道细缝。◆this tool is for tightening screws.这个工具是用来拧紧螺丝的。◆she tightened her grip on his arm.她把他的手臂抓得更紧了。◆the brake cable needs tightening up.刹车线需要调紧。opp relax , loosen , slacken → relax 2 tighten/ˈtaɪtn ||; ˈtaɪtṇ/verb [i,t] tighten (sth) (up) to become or to make sth tight or tighter （使）变紧: ◇his grip on her arm tightened. 他把她的手臂抓得更紧。◇he tightened the screws as far as they would go. 他尽量把螺丝拧紧。 tighten your belt to spend less money because you have less than usual available 勒紧裤带；省吃俭用 tighten up (on) sth to cause sth to become stricter 使更严格: ◇to tighten up security/a law 加强安全措施；使一项法律更严格 tightensee ⇨ tight 4 tight·en /`taɪtṇ; ˈtaɪtn/v 1. [i,t] to become tighter, or to make something tighter （使）变紧; 使更牢固:◇richard's grip tightened on her arm. 理察把她的手臂抓得更紧了。◇how do i tighten my seat belt? 我怎样系紧安全带？ 2. tighten your belt informal to try to spend less money than you used to spend 【非正式】 勒紧裤带，省吃俭用地过日子tighten sth ↔ upto make a rule, law, or system stricter 使［规定、法律或体系］更严格:◇they're tightening up the laws on immigration. 他们正逐步把移民法订得更严。 |
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