“瘦削的”的英语可以翻译为：gaunt，rawboned，very thin ...

“瘦的”的英语可以翻译为：fleshless，lank，[医] macilent，lankness，meager ...

“使消瘦”的英语可以翻译为：emaciate...

“瘦弱的”的英语可以翻译为：emaciated，scraggy，thin and weak，weedy ...