bad hair day 诸事不顺的一天
Don't expect your secretary to do anything today. She's having a bad hair day.
别指望你的秘书今天能做什么事，她今天显然心情很糟。
keep you hair on 淡定点 冷静
You should keep your hair on, never lose your temper.
你应保持镇静，千万不要发脾气。
not turn a hair 不惧难 面不改色
He saw a robber, but he did not turn a hair.
他遇到一个劫匪，但他显得一点也不畏惧。
hair of the dog 醒酒药
Some hair of the dog would probably make me feel better.
来点解宿醉的酒或许可以让我感觉好一些。
let your hair down 放松 不拘礼节
Today is the weekend. You should let your hair down.
今天是周末。妳应该要好好放松一下。
