(1) ①slim“苗条，细长，纤细”，指人虽瘦却匀称、好看。
- She eats very little and takes exercise every day in order to keep slim .
为了保持身材苗条，她吃得很少，而且每天锻炼身体。 - Fashion models usually have very slim and graceful figures.
时装模特通常具有非常苗条而优美的体形。
②slim也可用于希望、可能性，表示“微小，渺茫”。
- There's only a slim hope/chance of survival for the crash victims.
对坠机/撞车罹难者来说能生存下来的希望/机会极小。 - They have only the slimmest chance of winning the game.
他们在比赛中获胜的可能性极小。
(2) ①slender可表示“细长，纤细，修长”，指人时意思是“纤巧，轻盈，苗条”，与slim接近。
- His wife is a pretty woman of slender figure.
他的妻子是一位身材苗条的漂亮女人。 - She is a slender girl who used to be a model.
她身材苗条，曾是一位模特。
②slender还作“薄薄的”解。
- That novel is a slender book of only 100 pages.
那本小说是本只有100页的薄书。
③slender用于希望、可能性、收入、收获等时，表示“很小，渺茫”。
- He has only the slenderest chance/hope of success in the experiment.
他试验成功的机会/希望小而又小。 - How can he afford a villa on his slender income?
以他微薄的收入他怎能买得起一栋别墅？
(3) slight除表示“微小的，轻微的，少量的”外，也作“苗条，纤小，瘦小”解。
- She is short and slight in build. (She is slight of build.)
她身材小巧。 - I had some slight acquaintance with him.
我只与他略微熟识。 - There seems to be only a slight possibility of his success in the contest.
看来他在竞赛中成功的可能性很小。
(4) ①thin的意思是“薄，纤细，细弱；稀疏，薄”。
- I tied the box up with a thin string.
我用一条细绳把盒子捆起来。 - She answered shyly in a small thin voice.
她用小而细的声音羞怯地回答了。 - A thin audience watched the game.
观看比赛的人很少。
②thin用于人时，意思是“瘦的”，一般由疾病或营养不良所致。
- He was rather thin after his recent illness.
他最近生了这场病之后变得相当瘦。
③thin指借口、理由、伪装等时，意思是“缺少说服力的，容易被看破的”。
- Your excuse for not attending the meeting was very thin .
你未参加会议的理由非常站不住脚。
(5) lean指人或动物时，意思是“瘦的”，指肉时表示“脂肪少的或无脂肪的”。
- He was a lean and brown old man.
他是个又黑又瘦的老人。 - I prefer fatty meat to lean meat, though the latter is healthier for men.
比起瘦肉来我更爱吃肥肉，虽然前者更利于健康。
（拓展学习：熟词僻义 | lean 是一种怎样的时期？）
