/skɪn ||; skɪn/noun[C,U] 1 the natural outer covering of a human or animal body 皮肤；皮 [C,U] to have (a) fair/dark/sensitive skin 皮肤白皙╱黝黑╱敏感: skin cancer 皮肤癌
2 -skinned (used to form compound adjectives 用于构成复合形容词) having the type of skin mentioned 有…皮肤的: My sister's very dark-skinned. 我妹妹的皮肤很黑。
3 (often in compounds 常用于构成复合词) the skin of a dead animal, with or without its fur, used for making things （动物的）皮，毛皮（常用来制造物品）: a sheepskin jacket 羊皮袄a bag made of crocodile skin 鳄鱼皮手提包
4 the natural outer covering of some fruits or vegetables; the outer covering of a sausage 某些水果和蔬菜的外皮；香肠的外皮: (a) banana/tomato skin 香蕉╱蕃茄皮 ☞Look at the note at rind. 参看rind的注释。 ☞picture on page C3 见C3页插图
5 the thin solid surface that can form on a liquid 凝结于液体表面的薄层: A skin had formed on top of the milk. 牛奶表面结了一层皮。
by the skin of your teeth(
informal 非正式) (used to show that sb almost failed to do sth) only just 仅仅，刚好，勉强（做得到）:
I ran into the airport and caught the plane by the skin of my teeth. 我跑进机场，刚好赶得及登上飞机。 have a thick skin→
THICK¹
skin-deep (used about a feeling or an attitude) not as important or as strongly felt as it appears to be; superficial （指感受或态度）肤浅的，表面的:
I knew his concern about me was only skin-deep. 我知道他对我的关心只是表面的。