marriage partner; spouse
wife-to-be; husband-to-be; future spouse; fiancée; fiancé
理想の結婚相手の条件を話し合った。
We talked about what we each wanted in a marriage partner.
なかなか良い結婚相手が見つからないと悩んでいる。
She worries that she can't seem to find a good marriage partner.
彼女は職場で出会った人を結婚相手に選んだ。
She chose someone she met at work as her marriage partner.