a personal or private matter / (by extension) selfishness

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

personal, private / secret

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

Alternative spelling of 私達 (“we; us”)

private; mine

(idiomatic) to take on a fight; lit. to buy a fight

buy on credit

to displease someone (due to one's speech or conduct), to be frowned upon

buying on credit; credit purchase