B1 在恋爱，相爱
to love someone in a romantic and sexual way
I'm in love for the first time and it's wonderful. 我是第一次谈恋爱，感觉非常奇妙。
They're still madly in love (with each other). 他们依然疯狂地爱着对方。
He's friends with her, but I don't think they're in love.
She wasn't sure if she was really in love with Jack.
He was the most handsome boy in our school and all the girls were in love with him.
See also: love noun (LIKING SOMEONE)