thin
单词辨析：
尤指男人或动物瘦而健壮的。
He was lean, tall and muscular.
他身材瘦高，肌肉结实。
He has a lean handsome face.
他的脸清瘦而英俊。
多指女性身材修长苗条、体态优美的；形容物体时表示细或窄的。
All girls want to be slender.
女孩都希望身材苗条。
The birch has smooth bark and slender branches.
桦树有光滑的树皮和细长的树枝。
指人瘦小纤弱的。
Ann is a slight girl.
安是个瘦弱的女孩。
Her slight frame was shaken by bouts of coughing.
她纤弱的身躯因阵阵咳嗽而颤抖。
指人身材修长的，常用于减肥者；也可形容书、钱包等薄的。
a slim volume of prose
一本薄薄的散文集
She is trying to get slim.
她想要变苗条一些。
She goes for tall slim men.
她喜欢瘦高个的男子。
普通用词，指人或身体部位瘦削的，也可形容物体细或薄的。
The boy was thin for his age.
就他的年龄而言，这男孩算是瘦的。
She is thin in the face.
她脸部瘦削。
She was wearing a thin gold chain.
她戴着一条细金链。
相关例句：
However, the evidence is thin and, to some extent, ambiguous
然而，这个证据难以令人信服，而且有点模棱两可。
He was a tall, thin man with grey hair
他是个瘦高个，头发灰白。
Her thin voice rose high in complaint.
她抱怨时抬高了尖细的嗓音。
His hair is thinning and his skin has lost all hint of youth.
他的头发开始脱落，皮肤也老化了。
They are stirring huge pots of rice and thin vegetable soup over a fire made of charcoal.
他们搅动着架在木炭火堆上的大罐米饭和蔬菜清汤。
She had pale thin yellow hair she pulled back into a bun.
她把一头稀疏的浅黄色头发向后梳，挽成了个圆髻。