let your hair down
英文解释
You let your hair down when you relax and enjoy yourself without worrying about what other people think about you.
中文解释
无拘无束,轻松自如
英文例句
Visitors young and old let their hair down and enjoyed the entertainment.
例句译文
有课不管老少,都无拘无束地欣赏着娱乐节目。