button your lip
US /ˈbʌt.ən jʊər lɪp/
UK /ˈbʌt.ən jʊər lɪp/

成语
1.
闭嘴, 保持安静
to stop talking or to keep quiet
示例:
•
The teacher told the noisy students to button their lip.
老师让吵闹的学生闭嘴。
•
I had to button my lip to avoid arguing with him.
我不得不闭嘴,以避免和他争吵。
在 Lingoland 学习这个单词