借刀杀人

jiè dāo shā rén

to lend sb a knife to kill sb

to get sb else to do one's dirty work; to attack using the strength of another (idiom)

借

jiè

variant of 借[jie4]

刀

dāo

knife; blade; single-edged sword; cutlass (CL:把[ba3])

杀

shā

to kill; to slay; to murder; to attack

人

rén

person; people