泥菩薩過江　

◎ 泥菩薩過江 nípúsà guòjiāng

[like a clay idol fording a river—hardly able to save oneself(let alone anyone else)] 迷信認為菩薩能解救苦難,可是泥塑的泥菩薩在水中會被浸壞。喻指連自己都保護不了,更顧不上救別人了。又作“泥菩薩落水”