soulmate
UK
soulmate n: (companion, friend, twin)
SC 知心朋友 zhī xīn péng yǒu
SC 知己 zhī xīn péng yǒu，zhī jǐ
Everyone hopes to find a soulmate to share their life with.
soul mate, soulmate n: informal ([sb] with whom you have deep affinity) (非正式用语)
SC 灵魂伴侣，精神伴侣 líng hún bàn lǚ，jīng shén bàn lǚ
Some people believe that each and everyone of us has a soul mate.
有些人相信我们每个人都有自己的灵魂伴侣。