watch one's mouth片语

片语

1. 1

   说话小心、注意言辞、管好嘴巴口语

   Watch your mouth when you talk to your grandmother.

   跟奶奶说话时要注意言辞。

2. 2

   别乱说话、小心说话口语，用于警告

   You'd better watch your mouth before someone gets angry.

   你最好别乱说话，免得有人发火。