| 单词 | tighten sth up |
| 释义 | tighten sth up tighten (sth) up — phrasal verb with tighten /ˈtaɪ.tən/ verb [I or T] ► F0 to make a rule, system, or law stronger and more difficult to avoid or ignore: » Are there any plans to tighten up on advertising controls?Thesaurus+: ↑Becoming and making stronger tighten sth up — phrasal verb with tighten /ˈtaɪ.tən/ verb [I or T] ► F0 to make something become tighter, firmer, or less easy to move: » Now tighten up the screws.Thesaurus+: ↑Tight and tightening |
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