废 fèi

to become invalid; to cancel; to delete

to abolish; to abandon; to abrogate

nonsense; rubbish; superfluous words

rubbish; waste material; useless person

ruins

to abolish; to abrogate; to repeal

production rejects; seconds; scrap

decadent; dispirited; depressed

to scrap; to dispose of (sth worn-out or damaged)

to give up halfway (idiom); leave sth unfinished

to neglect sleep and forget about food (idiom); to skip one's sleep and meals