英文解释：

1.to have a feeling of romantic love for someone, especially someone you do not know well.

2.When you have a crush on someone, you like that person. You usually feel uneasy and try to get attencion around that person. Sometimes, it's hard to stop thinking about them.

中文解释：

ave a crush on意为“爱上了……，对……有好感，喜欢上了……”

例句：

1.Do you still have a crush on Jessica? 你还喜欢着杰西卡吗？

2.You friend Jack Turner seems to have a crush on Susan Tompkins.
你的朋友杰克·特纳好像迷恋上了苏珊·汤普金斯。