| 单词 | tighten up |
| 释义 | tighten up[phrasal verb] tighten up or tighten (something) up or tighten up (something) : to become more strict or effective or to make (something) more strict or effective（使）变得更严格，变得更有效
⇒ Main Entry: tighten |
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。