守一而終

to be faithful to one's mate all one's life

to guard / to defend / to keep watch / to abide by the law / to observe (rules or ritual) / nearby / adjoining

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

and / as well as / and so / but (not) / yet (not) / (indicates causal relation) / (indicates change of state) / (indicates contrast)

end / finish