瘦削的英文：
extenuation

(of people)thin and bony
(指人)瘦削的,骨瘦如柴的.

There was something familiar about him, his fawn raincoat, his thinness, the way he moved.
他有点眼熟——浅黄褐色雨衣，瘦削的身影，走路的姿态。

She was transformed from a lanky adolescent into a willowy young woman.
她从一个瘦削的少女变成一位苗条的少妇。

He was a wiry, red-haired man with piercing blue eyes and a penchant for grandiose schemes.
他瘦削结实，红头发，有一双目光锐利的蓝眼睛，爱搞宏伟的计划。

His face, narrow and hawkish, with thick glasses and a drooping black moustache, seemed made for peering into books.
看他的面容，你可以更好的理解这个人，他的面容透着强硬，瘦削如鹰，戴着厚镜，两撇下垂小胡，十足读书人模样。

He was a gaunt old man.
他是一位瘦削的老人。

Care thinned her cheeks.
忧虑使她面颊瘦削。

He was thin and angular.
他身材瘦削，棱角分明。

He had gaunt cheeks after his long illness.
他久病后双颊瘦削。

She has the spare figure of a marathon runner
她有副马拉松运动员般瘦削的身材

He is not allowed to extenuate the malfeasance.
我们允许他掩饰罪过。

It is in vain, sir, to extenuate the matter.
先生，大事化小，小事化无的做法无济于事。

It is in vain, sir, to extenuate the matter
先生，大事化小，小事化无的作法无济于事。

He pleaded poverty in extenuation of (ie as an excuse for) the theft
他以贫穷为藉口请求为他犯的偷窃罪从轻量刑

He always said the same thing in extenuation of the circumstance.
他老说这句话来打圆场。