let down one's hair
отдыхать, расслабиться
We went on a picnic and let down our hair.
Другие идиомы:
- let things slide
- let (something) slide
- let (something) go
- let (something) slide by
- let off steam
- let out (someone)
- let the chance slip by
- let alone (something)
- let sleeping dogs lie
- let (something) slip by
- live and let live
- let out (some kind of sound)
- let (someone) in on (something)
- let the chips fall where they may
- let (someone) off the hook