mind one's P's and Q's
соблюдать осторожность (в речи, поведении), соблюдать приличия
You should always mind your P's and Q's and not say anything to offend people.
Другие идиомы:
- keep an open mind about (something)
- mind-numbing
- give (someone) a piece of one's mind
- of the same mind
- to (someone's) mind
- speak one's mind
- mind-boggling
- get a load off one's mind
- narrow-minded
- Mind you
- blow (someone's) mind
- boggle one's mind
- keep (someone or something) in mind
- mind goes blank
- weigh on (someone's) mind