难为

难为	nán wei	to bother / to press sb, usu. to do sth / it's a tough job / sorry to bother you (polite, used to thank sb for a favor)
难	nán	difficult (to...) / problem / difficulty / difficult / not good
难	nàn	disaster / distress / to scold
为	wéi	as (in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do / by (in the passive voice)
为	wèi	because of / for / to
为	wéi	variant of 为
为	wèi	variant of 为