let one's hair down
вести себя свободно, отдыхать и веселиться
After the dance, the college girls let their hair down and compared dates.
Другие идиомы:
- let (something) slip (out)
- let (something) ride
- let (someone) know (about something)
- let off steam
- let (something) slip by
- let bygones be bygones
- let out (someone)
- let (something) pass
- let (someone) off
- let (something) slide by
- let (something) off
- tear one's hair out
- let the grass grow under one's feet
- let (someone) have it (with both barrels)
- let up