mutant?

something that is very different from others of the same type, in a way that is strange or bad – often used humorously 變異的東西；怪胎〔常為幽默用法〕

vengeance

the act of punishing or harming somebody in return for what they have done to you, your family or friends報(bào)復(fù)；報(bào)仇；復(fù)仇

synonym revenge

a desire for vengeance復(fù)仇心

?vengeance on/upon somebody to take vengeance on somebody對某人進(jìn)行報(bào)復(fù)

nibble?

to bite something with small bites, especially food小口咬，一點(diǎn)點(diǎn)地咬（食物）

negative

less than zero負(fù)的；小于零的