他是人能迅速变瘦的活见证.He is walking proof that people can lose weight quickly.咸肉中有几层肥的和几层瘦的.Bacon has streaks of fat and streaks of lean.她把那件灰色连衣裙改小了，这样正好紧裹住她那纤瘦的身体。She had taken in the grey dress so that it hugged her thin body....

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