ㄍㄨˇㄕㄡˋㄖㄨˊㄔㄞˊgǔshòurúchái

  1. 形容非常消瘦 長年纏綿病榻已經骨瘦如柴」。

as thin as a match, emaciated (idiom)​
mager (Adj)​