많지 않아요

not many; not much

→ 많다
phrase Uncommon #8,292
not many; not much A polite way to say that the amount or number is small.
KO: 오늘은 질문이 많지 않아요.
EN: There aren’t many questions today.

여자 많지 않아요?

Aren't there a lot of women?

— Virgin Stripped Bare by Her Bachelors (2000)

나는 잠이 많지 않아요.

I don't need much sleep.