英语单词“tighten up”的翻译、意思、用法、释义-英汉词典

单词	tighten up
释义	tighten up1.■(使)变紧；(使)绷紧：He tightened the bolt up slowly.他慢慢拧紧螺钉。2.■(使)更严格；加强：The government is tightening up public security.政府正在加强公共治安。
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