Mang nghĩa"thư giãn, xoã"
=to relax and enjoy yourself, without worrying about behaving politely/to enjoy yourself and start to relax, especially after working very hard
- It is only with friends that most people feel they can let their hair down and be themselves.
- Just let your hair down and enjoy the movie! (IELTS TUTOR giải thích: Hãy cứ thật thoải mái đi và thưởng thức bộ phim nhé!)
- We need a place where young folk can let their hair down and enjoy themselves.
- Oh let your hair down for once!
- The party gave us all a chance to really let our hair down.