let in
US /lɛt ɪn/
UK /lɛt ɪn/

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.
들여보내다, 입장시키다
to allow someone or something to enter a place