Correct
下毒手
/ xiàdúshǒu /
Strokes
Definition
to attack murderously/to strike treacherously
Example
As a Verb
commit an atrocious cruelty (to sb); resort to cruel means; lay murderous hands (on sb); strike a vicious blow
1
Zài
在
bèihòu
背后
xiàdúshǒu
下毒手
stab sb in the back