1. C （人、动物的）毛，茸毛，汗毛　 a fine threadlike growth from the skin of a person or animal
2. U 头发　 a mass of these growths, especially on the head of human beings

　arrange one's ～　整理头发
　brush one's ～　梳理头发
　color sb's ～　给某人染发
　comb one's ～　梳头
　cut (off) sb's ～　给某人削发
　do sb's ～　给某人做头发
　do up one's ～　（女人）梳理头发，把头发盘起来
　dress one's ～　梳理头发
　fix sb's ～　给某人梳头
　have one's ～ cut　（让别人）理发
　let one's ～ down　使头发下垂散开；不拘礼节，态度随便
　part one's ～　把头发从中间向两边分开
　set ～　做头发
　shave (off) sb's ～　给某人剃头
　tear one's ～ out　撕扯自己的头发（以示愤怒、焦急、悲伤等）
　wear one's ～ long　留长发
　tease one's ～　把头发反梳使之蓬起
　comb sb's ～ for him　申斥某人
　get in sb's ～　惹恼某人
　get out of sb's ～　停止惹恼某人
　keep one's ～ on　保持冷静，不发脾气
　make sb's ～ stand on end　使某人毛骨悚然
　smooth sb's ～ the wrong way　使某人恼怒
　split ～s over sth　对某事作过分琐细的分析，吹毛求疵
　turn a ～　不动声色
　beautiful ～　美丽的头发，秀发
　black ～　黑发
　brown ～　褐色的头发
　dark ～　黑发
　falling ～　披发
　false ～　假发
　flowing ～　平滑的头发
　golden ～　金黄色的头发
　grey ～　灰白头发
　light ～　稀疏的头发
　long ～　长发
　lovely ～　漂亮的头发
　nice ～　漂亮的头发
　red ～　红发
　short ～　短发
　single ～　一根头发
　smooth ～　光滑的头发
　soft ～　柔软的头发
　straight ～　直挺的头发
　thick ～　浓密的头发
　thin ～　稀疏的头发
　white ～　白发
　yellow ～　黄头发
　by a ～　差一点
　seize sb by the ～　一把抓住某人的头发
　in one's ～　头发上
　a coat of ～　一身毛
　a lock of ～　一绺头发
　to a ～　精细地，丝毫不差地
　man with grey ～　头发灰白的人

　She is combing her matted hair.　她正在梳理她那乱蓬蓬的头发。
　That dress matches her red hair.　那件连衣裙和她的红头发很相配。
　She patted her hair to be sure that it was neat.　她轻拍头发使之整齐。
　She put up her hair and suddenly she was precipitated into maturity.　她把头发束起，一下子就变得像大人了。
　Helen got up her hair before going to the dinner party.　海伦在去赴宴前把头发梳理好。
　All her hair was burned off in the fire, but the doctors have promised that it will soon grow back.　她的头发在大火中烧掉了，但医生们保证她的头发还会长起来的。
　She asked the barber to crop her hair short.　她叫理发师把她的头发剪短了。
　She caught up her hair into a bun.　她把头发卷成圆卷。
　The little girl decorated her hair with flowers.　这小女孩在头上插花来打扮自己。
　His hair was cropped when he entered the army.　他参军时把头发剪短了。
　His hair was carefully arranged.　他的头发梳理得很仔细。
　The barber had cut your hair very short.　理发师把你的头发剪得很短。
　Girls used to put their hair up on their seventeenth birthdays.　过去的姑娘17岁生日时就把头发束起来。
　Mary asked me to help her to bind up her long hair.　玛丽让我帮她把长发扎起来。
　She kept pushing back wisps of hair that fell over her eyes.　她不断地把垂下来挡住她眼睛的头发撩回去。
　All the girls in that high school were required to wear short hair.　那所中学的所有女孩要蓄短发。
　Your face was turned away, but I recognized you by your hair.　虽然你的脸转过去了，但我根据你的头发认出了你。
　How I envy you; I wish I could make my hair curl like that.　我太羡慕你了，真希望我也能把头发卷成那样。
　There were three white hairs on his coat.　在他的衣服上有三根白发。
　He tore his hair when he saw the wrecked car.　看到毁坏的汽车，他火冒三丈。
　The arrangement suits him to a hair.　这样的安排对他最合适。
　The patient's life is hanging by a hair.　病人的生命危在旦夕。
　He escaped death by a hair's breath.　他差一点送了性命。
　The bottom of the nest is laid with feathers and hairs.　巢的底部是用羽毛和毛发铺成的。
　The hairs on a plant are fine like threads.　植物的茸毛像针一样细。
　The cat has left her loose hairs all over my clothes.　这只猫在我衣服上留了一些毛。
　The horse has a good coat of hair.　这匹马有一身好毛。

 ♣ get in sb's hair
　惹恼某人　annoy sb
　I find the children got in my hair during the school holidays.　在学校放假的日子里，我被孩子们折腾得烦恼不堪。
 ♣ keep one's hair on
　保持镇定　remain calm
　You should keep your hair on at that time.　那时你应保持镇定。
 ♣ let one's hair down
1. （越来越熟悉而）开始坦率地说 become more intimate and begin to speak frankly
　Imes, just let your hair down and tell me all about it.　艾姆斯，把全部内容都坦率地说出来吧。
2. 行为无拘无束，尽情享受 behave informally; enjoy oneself freely
　Let your hair down and enjoy yourself at the party.　在晚会上别拘束，尽情享受一下。
 ♣ make sb's hair stand on end
　使某人害怕　make sb very afraid
　I told the boy a story that made his hair stand on end.　我给那个小孩讲了一个使他害怕的故事。
　The sight of the dead man made his hair stand on end.　他见到死人吓得毛骨悚然。
 ♣ split hairs
　对某事作过分琐细的分析　get the analysis to sth unimportant
　I suppose you're splitting hairs.　我认为你在吹毛求疵，咬文嚼字。
　No matter whether it is real gold or false gold, but right here I shall not split that particular hairs.　不管这是真金还是假金，我在这里都不想对那个具体问题多花工夫。
 ♣ turn a hair
　面不改色　show no fear
　When I told him there were 500 plates to be washed, he didn't turn a hair, but just got on and did them.　我告诉他有500个碟子要洗，他一点也不惊慌，动手便洗了起来。

 ♣ hair, fur, skin
　这组词的意思并不相同：hair的意思是“头发”或“（动、植物的）毛发”; fur指动物（熊、兔、狐、羊等）的柔毛、软毛，也可指裘毛皮服装或装饰物；skin可指人或动物的皮、皮肤，也可指果实等的外皮、壳。例如：
　If you put your hair forward, it would suit your face better.　如果你把头发往前梳就更适合你的脸型了。
　She was wearing a silver fox fur across her shoulders.　她肩上披了一条银狐皮（围巾）。
　The poison may be absorbed through the skin.　毒物可能通过皮肤被吸入。

1. 她在梳理头发。
　［误］ She is doing her hairs.
　［正］ She is doing her hair.
　［析］ hair作“满头头发”解时，作单数名词使用；作“几根毛发”解可用作复数。
2. 他打算去理发。
　［误］ He is going to have his hair done at the barber's.
　［正］ He is going to have his hair cut at the barber's.
　她打算去理发。
　［误］ She is going to have her hair cut at the barber's.
　［正］ She is going to have her hair done at the barber's.
　［析］ 用于男子理发可说have one's hair cut，用于女子理发可说have one's hair done.

　［同义词］ locks, mane, mop, shock, tresses, vibrissa, villus
　［词源］　古英语hær<古高地德语har（发）