动词
中文翻译：拉紧
同义词：
['clamp', 'fasten', 'tighten']
例句：
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1.He tightened the screws on the door to make sure it was secure.
他拧紧了门上的螺丝，确保它牢固。
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2. The tightrope walker had to tighten his grip to balance himself.
走钢丝的人必须抓紧平衡自己。
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3.She tightened the belt around her waist to hold up her dress.
她把腰带系在腰间，以支撑她的裙子。