the coast is clear
US /ðə koʊst ɪz klɪr/
UK /ðə koʊst ɪz klɪr/

1.
주변이 안전하다, 아무도 없다
used to say that there is no danger and no one will see or catch you
:
•
Wait until the coast is clear before you sneak out.
주변이 안전해질 때까지 기다렸다가 몰래 빠져나가.
•
He checked both ways to make sure the coast was clear before crossing the street.
그는 길을 건너기 전에 주변이 안전한지 양쪽을 확인했다.