English Dictionary

button one's lip

動詞

慣用表現

(idiomatic) To remain silent, especially in order to keep a secret or to avoid saying something inappropriate.

日本語の意味

秘密を守るために黙る / 不適切な発言を避けるために口を閉ざす / 不要な情報を話さず沈黙を保つ

In sensitive meetings, it's often wise to button one's lip until more information is available.

機密性の高い会議では、詳しい情報が出るまで口をつぐむのが賢明なことが多い。

意味（1）

(idiomatic) To remain silent, especially in order to keep a secret or to avoid saying something inappropriate.

Yes, put in Solomon. I've been tipped off to this guy Mars, and you'd better tell him to button up his lip and not start anything.

buttons one's lip （ present singular third-person ）

buttoning one's lip （ participle present ）

buttoned one's lip （ participle past ）

buttoned one's lip （ past ）