难
nán
I s.v.
1) difficult; hard; troublesome
做人很难。 It's hard to act as a human being should.
2) disagreeable; unpleasant
II pref.
1) difficult
难懂 hard to understand
2) disagreeable
这件衣服难看,那件衣服好看。 This clothing is ugly; that clothing is good-looking.
III v.
make difficult/difficulties