扬汤止沸（揚湯止沸）　

◎ 扬汤止沸 yángtāng-zhǐfèi

[ineffectual remedy as one who tries to stop water from boiling by scooping it up and pouring it back] 把沸水舀起来再倒回去,以图阻止住沸腾。比喻不成功的补救办法,办法不彻底,不能从根本上解决问题