聪明反被聪明误（聰明反被聰明誤）　

◎ 聪明反被聪明误 cōngming fǎn bèi cōng ming wù

[cleverness may overreach itself;clever people may be dupes of their own cleverness;clever people may pay a high price for being too clever] 讽刺一个人工于心计,结果反倒害了自己。