let in

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

dejar entrar, permitir la entrada

to allow someone or something to enter a place

:
Could you please let the cat in?
¿Podrías por favor dejar entrar al gato?
The bouncer wouldn't let him in because he was underage.
El portero no lo dejó entrar porque era menor de edad.
2.

revelar, confiar

to reveal a secret or allow someone to know something private

:
She accidentally let in on her plans for the surprise party.
Accidentalmente reveló sus planes para la fiesta sorpresa.
Don't let anyone in on our secret.
No reveles nuestro secreto a nadie.