恋するは英語で
in love

英語の定義

恋する
1. v. to be in (romantic) love
命%短し、恋せよ乙女 - Life is short; fall in love, young woman.

in love
1. 恋する

in love
1. prep. (of a person or persons) enamored
I think John is in love.
Isn't it nice to see two people in love?
2. prep. (followed by with) enamored (of a person, etc)
Romeo was in love with Juliet.
3. prep. (followed by with) (informal) very fond (of an idea, etc)
I'm not exactly in love with the idea of having to start again from scratch.