【弱不胜衣】〖ruò bù shèng y〗[form was so delicate that seemed scarcely strong enough to bear the trifling weight of clothing; so fragile as to lack even the strength to bear the weight of clothing; too delicate to wear a coat; too weak to bear the weight of one's cl]

弱如扶病体难支，

不卜可知声息低。

胜兰吹气微断续，

衣香人影烧泪滴。

形容人很瘦弱，连衣服都承受不起。Describe people very thin and weak, even clothes all bear can't afford. 同：弱不禁风、质似薄柳。反：钢筋铁骨、年富力强。