I wasn't really hungry, it was just pure greed that made me eat it.实际上我并不饿, 吃了它纯粹是因为嘴馋。

all the hatred and violence, greed, and selfishness in the world世界上的一切仇恨、暴力、贪婪和自私

I get fed up with other people's greed.我受够了别人的贪婪。

It was a crime motivated entirely by greed.这完全是一桩由贪念引发的犯罪。

his greed for knowledge and experience他对知识和经验的极度渴求

an insatiable greed for personal power and glory对个人权力和荣誉的贪得无厌