| 单词 | tighten up (on sth) |
| 释义 | ● ˌtighten ˈup (on sth )to become stricter or more careful 变得更加严格（或小心）◆ Laws on gambling have tightened up recently . 有关赌博的法律最近变得更加严厉。◆ The police are tightening up on under -age drinking . 警方正在采取更加严厉的措施对付未成年人饮酒的问题。See also tighten |
| 随便看 |
|
英汉词典包含238766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。