question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

duty, office / service / role, part

role, service, use / (card games, mahjong) hand, scoring combination

playing the role of...

war; battle

(archaic); duty; service / put to work, labor / war; battle

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me