partner
/ˈpɑrtnər/
a person's partner in marriage
Chinese meaning: 配偶；伴侣；合伙人
She and her business partner opened a successful restaurant last year.
她和她的商业合伙人去年开了一家成功的餐厅。
He introduced his partner to the family during the holiday dinner.
他在节日晚餐上向家人介绍了他的伴侣。