If you let someone into a secret, you allow them to know it.
I’ll let you into a little showbiz secret.
PHRASAL VERB : V n P n
If you let someone into a secret, you allow them to know it.
I’ll let you into a little showbiz secret.
PHRASAL VERB : V n P n
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006