let in

US /lɛt ɪn/
UK /lɛt ɪn/
"let in" picture
1.

들여보내다, 입장시키다

to allow someone or something to enter a place

:
Could you please let the cat in?
고양이를 들여보내 줄 수 있니?
The bouncer wouldn't let him in because he was underage.
그는 미성년자였기 때문에 경비원이 그를 들여보내지 않았다.
2.

누설하다, 알리다

to reveal a secret or allow someone to know something private

:
She accidentally let in on her plans for the surprise party.
그녀는 실수로 깜짝 파티 계획을 누설했다.
Don't let anyone in on our secret.
우리 비밀을 아무에게도 알리지 마.