let in on
US /let ɪn ɑːn/
UK /let ɪn ɑːn/
1.
deixar por dentro de, informar sobre
to allow someone to share a secret or to know something that is not known by many people
:
•
They finally let me in on their plans for the surprise party.
Eles finalmente me deixaram por dentro dos planos para a festa surpresa.
•
She refused to let him in on the secret.
Ela se recusou a deixá-lo por dentro do segredo.