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”)

複素数: (complex analysis) complex number

肺: (anatomy) lung

(grammar) a plural form of a word

multipleness, manyness / (grammar) the plural number

(grammar) adverb

(accounting) double-entry bookkeeping