not know the first thing about something
не иметь основных знаний о чём-либо
Jack wants to buy a car, but I am sure he does not know the first thing about cars.
Другие идиомы:
- know one's place
- know a trick or two
- know where all the bodies are buried
- know which is which
- know (something) inside out
- know a thing or two (about someone or something)
- know all the tricks of the trade
- know when one is not wanted
- know one's ABCs
- know better (than to do something)
- know-how
- know (something) from memory
- know (something) only too well
- know (something) by heart
- know which side one's bread is buttered on