A department chief within a company; analogous to a vice president in an American company. / The head/leader of a 部 (bu) – division, school club, etc.

tell to a superior

telling to a superior

yesterday

yesterday

last night / yesterday

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

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

private; mine

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