Gaunt and emaciated due to hunger or illness; looking like skin and bones; haggard and frail.
经过了一周的野外求生训练，他整个人都鸟面鹄形，瘦了一大圈
After a week of wilderness survival training, he was gaunt and emaciated, having lost a lot of weight.
Next Idiom
Gaunt and emaciated due to hunger or illness; looking like skin and bones; haggard and frail.