【不择手段】〖bù zé shu duàn〗[use unscrupulous divisive tactics; be unscrupulous in one's efforts; by fair means or foul; by hook or by crook]

不劳而获社鼠狐，

择木良禽佞挤妒。

手眼别具抵瑕陷，

段联奸计都使出。

为了达到目的，什么手段都使得出来。To achieve end, what means ruse all use come out.同：弄虚作假、巧立名目。反：无所用心。