hair
noun
heə noun
1 the mass of things like fine threads that grows on your head 头发 U
2
hair
When you mean ‘all the hair on a person’s head’, is an uncountable noun. 指某人所有的头发时，hair 是不可数名词
He has black hair (NOT 不说 He has black hairs) .
他长着黑发。
3 one of the long fine things like thread that grows on people’s heads and on other parts of their bodies, or similar things that grow on animals 〔人、动物的〕头发，毛，汗毛，茸毛 C
long-haired/short-haired
The cat has left white hairs all over the sofa. I’m starting to get a few grey hairs. long-haired cats
猫把白毛弄得沙发上到处都是。 我开始有白头发了。 长毛猫
The cat has left white hairs all over the sofa.
猫把白毛弄得沙发上到处都是。
I’m starting to get a few grey hairs.
我开始有白头发了。
long-haired/short-haired
long-haired cats
长毛猫
4
be tearing/pulling your hair out
to be very worried or angry about something, especially because you do not know what to do 〔尤因不知如何是好而对某事〕极其担忧 （愤怒 ）;〔因焦急、愤怒而〕撕扯自己的头发
Anyone else would have been tearing their hair out trying to work it out.
谁来解决这个问题都会急得焦头烂额的。
5
let your hair down
to enjoy yourself and start to relax, especially after working very hard [非正式] 玩乐放松〔尤指在辛勤工作之后〕 informal
The party gave us all a chance to really let our hair down.
聚会给了我们一个痛快玩乐的机会。
6
bad hair day
a day when your hair does not look tidy or neat even when you try to arrange it carefully – used humorously 不如意的一天，不顺利的一天〔幽默用法〕
I’m having a bit of a bad hair day .
我今天做什么都不大对劲。
7
keep your hair on
used to tell someone to keep calm and not get annoyed [英，口] 保持冷静，别发火 BrE spoken
All right, all right, keep your hair on! I’m sorry.
好啦，好啦，别发火！对不起。
8
get in sb’s hair
to annoy someone, especially by always being near them [非正式] 〔尤指因不断烦扰而〕惹恼某人 informal
9
make sb’s hair stand on end
to make someone very frightened 使某人毛发直竖
10
make sb’s hair curl
if a story, experience etc makes your hair curl, it is very surprising, frightening, or shocking 〔故事、经历等〕使人大吃一惊 （毛骨悚然 ）
tales that would make your hair curl
会使人毛骨悚然的故事
11
not have a hair out of place
10. to have a very neat appearance 十分整洁
12
not turn a hair
11. to remain completely calm when something bad or surprising suddenly happens 处之泰然，面不改色，从容不迫
13
not harm/touch a hair of/on sb’s head
12. to not harm someone in any way 不伤/不碰某人一根头发
14
the hair of the dog (that bit you)
13. alcohol that you drink to cure a headache caused by drinking too much alcohol the night before – used humorously 解宿醉的酒〔幽默用法〕