However,he did not become seriously interested in music until he heard another boy playing the violin in a concert at his school.

VOA: special.2009.02.08

How did you become interested in your major?

你为什么对你的专业很感兴趣？

选择国际学的理由 - SpeakingMax英语口语达人

Or, you like math now but then you lose your taste in math, and you become the kind of person perhaps who's interested in Chinese poetry, whatever it is.

或者你失去对数学的原有兴趣，变成那种,对中国诗词感兴趣的人。

耶鲁公开课 - 死亡课程节选