science and technology

To improve (in reference to a society's technological capability or general quality of life). / To advance in proficiency; to make progress in the development of a skill.

progress; improvements in social welfare. / Personal progress, usually in the development of a skill.

technology; technique; technical

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

Alternative spelling of 私達 (“we; us”)

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

a personal or private matter / (by extension) selfishness

personal, private / secret

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