big mouth
嘴巴大
口語·形容愛泄密或話多的人
英文釋義
a person who talks too much or reveals information that should be kept private
例句
Don't tell him any secrets; he's a big mouth and will tell everyone.
典故來源
源自20世紀美國俚語，'mouth'指嘴巴，'big mouth'比喻話多且守不住秘密的人。