Start with the basics!英単語

crush

恋する、惚れる

She had a crush on her chemistry teacher when she was 15.
（彼女は１５のときに化学の先生に恋をしていたんだ）

She was crushing on the captain of the basketball team.
（あの子はバスケ部の主将にベタぼれだったね）

It wasn't love. It was just a childish crush.
（あれは恋じゃなくって、一時的に舞い上がってただけだよ）

It was clear that she had a crush on him.
（彼女が彼に惚れてるのは間違いないね）