烂泥扶不上墙làn ní fú bù shàng qiánglannifubushangqianguseless (idiom)worthlessineptCharacters in this word上above, on top, superior不no, not, un-墙wall扶to support, to protect, to help泥mud, earth, clay烂overcooked, overripeStudy it in Yanamino