close friend, bosom buddy / crony, chum

Shanyue (an ancient conglomeration of upland Yue hill tribes living in what is today the mountainous regions of Southern China and Northern Vietnam during the Han dynasty)

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

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

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