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 (someone) off (easy)
- split hairs
- keep (someone) out of one's hair
- let down one's hair
- get in (someone's) hair
- let go with (something)
- let on
- let (something) slip (out)
- let the chips fall where they may
- let (something) loose
- let it rip
- let (someone) have it
- out of one's hair
- pull one's hair out
- tear one's hair out