a personal or private matter / (by extension) selfishness

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

personal, private / secret

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

Alternative spelling of 私達 (“we; us”)

private; mine

first, initial / one-eyed

What you like to do, you will do well. To improve your skills in something, you must enjoy doing it.

mischievous

warlike, bellicose