Ministry of Education《Dictionary of Chinese Idioms》

insatiable greed or covetousness

to suffer a big loss for a little gain

extraordinary skill to make progress smoothly

to act perfidiously treacherous

to be lazy and undisciplined

to get dizzy with success with self-contented

insatiable greed or covetousness

to be in a hopeless tangle aimless at random

to set off to each other

to be avaricious and to worry about losses