chalk

a surname

a blackboard

conjunctive form of 書く

write; record (words, figures) on the surface of (something) / compose; put (an idea, etc) into words

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

a personal or private matter / (by extension) selfishness