| 单词 | tighten up |
| 释义 | tighten up 1. phrasal verb If a group, team, or organization tightens up, they make an effort to control what they are doing more closely, in order to become more efficient and successful. I want us to be a bit more sensible this time and tighten up. [VERB PARTICLE] 2. See also tighten [sense 4], tighten [sense 6] See full dictionary entry for tighten |
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