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

a tram (UK), a streetcar/trolley (US)

a tram, a streetcar (passenger vehicle)

more haste, less speed; slow and steady wins the race

make hay while the sun shines, strike while the iron is hot, act on an opportunity promptly