Senses
屠刀 butcher's knife
butcher's knife; abattoir hatchet
屠刀 oppressor's sword
(metaphorical) reactionary violence or the means used by an oppressor to kill people
屠刀 renouncing evil
used in the context of renouncing evil and reforming oneself, as in the idiom 放下屠刀 (drop the butcher's knife)