insatiably covetous and gluttonous
Greedy is an idiom, Pinyin for t à NL á NW ú y à n, meaning that greed is never satisfied.
explain
Greed is never satisfied. The same as "insatiable greed".
source
Ming Shi Naian "outlaws of the marsh" 83rd: "who think this group of officials, greedy, cheating, cut meat and wine."
Examples
The third volume of Cheng dengji's the forest of learning from children: "whether a virtuous person is killed or not is like burning jade and stone; although he is cheap, he must be careful."
usage
It is used as predicate and attributive to describe people's greed
insatiably covetous and gluttonous
it is better to be the bill of a chicken than the anus of an ox. - jī kǒu niú hòu
avail oneself of the opportunity to get in - chèn xū ér rù