杀人不见血

Traditional (Taiwan): 殺人不見血

shārénbùjiànxiě ㄕㄚ ㄖㄣˊ ㄅㄨˋ ㄐㄧㄢˋ ㄒㄧㄝˇ

    • to harm people by cunning, vicious means that leave no trace

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
kill without seeing blood
Meaning
Harming people by cunning, vicious means that leave no trace. Strongly critical.

Sources