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:
- in a positive frame of mind
- mind the store
- mind-boggling
- take one's mind off (something)
- in one's right mind
- meeting of minds
- mind one's manners
- have a one-track mind
- know one's own mind
- on one's mind
- come to mind
- keep (someone or something) in mind
- of one mind
- Out of sight, out of mind.
- in two minds about (something)