一夫一妻

lit. one husband one wife / monogamy

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

husband / man / manual worker / conscripted laborer (old)

(classical) this, that / he, she, they / (exclamatory final particle) / (initial particle, introduces an opinion)

wife

to marry off (a daughter)