一生所爱英文是Love in life。
例句：
1、“她是我一生所爱，”他说道。
'She is the love of my life,' he said.
2、她无法忍受眼睁睁看着自己的一生所爱永远地消失离开。
She couldn't bear to watch her one chance at true love disappear forever.
3、于是小伙子穿越了120公里到南米纳哈沙去寻找一生所爱。
The young man traveled 120KM just to visit the love of his life in South Minahasa.
4、人们说，当你遇到一生所爱，时间会停止。这是真的。
Ed: They say when you meet the love of your life, time stops, and that's true.
5、最新浪漫喜剧《时空恋旅人》的主角蒂姆雷克（多姆纳尔格里森饰）就利用时间穿梭的特异功能回到过去，寻找一生所爱。
Tim Lake ( Domhnall Gleeson), the protagonist in the new romantic comedy About Time, uses his ability to travel back in time to find the love of his life.
上官雨霖
