哀毁骨立

āi huǐ gǔ lì

(idiom) (literary) to become emaciated due to grief (usu. due to the death of a parent)

哀

āi

(bound form) sorrow; grief; pity

毁

huǐ

variant of 毀|毁[hui3]

骨

gǔ

bone

立

lì

to stand