know what's what

Другие идиомы:

• know a thing or two (about someone or something)
• know better (than to do something)
• know which is which
• know where (someone) stands on (something)
• know a trick or two
• know which side one's bread is buttered on
• know (something) in one's bones
• know when one is not wanted
• know one's place
• know the ropes
• know (someone or something) like the back of one's hand
• know-how
• know one's stuff
• know the score
• know (someone) by sight