tighten up
US /ˈtaɪ.tən ʌp/
UK /ˈtaɪ.tən ʌp/
短语动词
1.
拧紧, 收紧
to make something tighter or more secure
示例:
•
Please tighten up the screws on this chair.
请把这把椅子的螺丝拧紧。
•
The regulations need to be tightened up to prevent fraud.
需要收紧法规以防止欺诈。
2.
加强, 改进
to become more disciplined or efficient
示例:
•
The team needs to tighten up their defense.
球队需要加强防守。
•
We need to tighten up our spending habits.
我们需要收紧我们的消费习惯。
在 Lingoland 学习这个单词