difficult; hard to do; troublesome; not easy; problematic; the opposite of 容易 róng​yì

calamity; disaster; adversity; misfortune

(bound form) unpleasant; disagreeable; used as a prefix for things that are bad to look at, hear, or taste

to make things difficult for someone; to pose a challenge or difficulty

to take to task; to scold; to question or challenge someone's actions; to blame

(literary) lush and beautiful appearance of vegetation

enemy; foe; opponent