let (someone) in on (something)
сообщить кому-либо что-либо по секрету
They didn't let their relatives in on their secret plan to buy a new yacht.
Другие идиомы:
- let (someone) off the hook
- let sleeping dogs lie
- let (someone) down
- let off steam
- let (something) slide
- let the cat out of the bag
- let up on (someone or something)
- let things slide
- let it all hang out
- let alone (something)
- let (something) ride
- let up
- let (something) slip by
- let (something) go
- let one's hair down