significant other

US /sɪɡˈnɪf.ɪ.kənt ˈʌð.ər/
UK /sɪɡˈnɪf.ɪ.kənt ˈʌð.ər/
"significant other" picture
1.

另一半, 伴侣

a person with whom someone has a long-term, committed relationship, especially one who is not a spouse but is considered a partner in life

:
She introduced him to her significant other at the party.
她把他介绍给派对上的另一半
Many people prefer to use 'significant other' instead of 'boyfriend' or 'girlfriend' to be more inclusive.
许多人更喜欢用“另一半”而不是“男朋友”或“女朋友”来表示更具包容性。