how can i fall meaning in English

我怎么跌倒了

I have only ten behind me how can i fall ten grades
在我后面只有十个人，我怎么会下降十名呢？
But how can i fall in love with a person i hate ? please give me a reason , please
可我怎会爱上一个我讨厌的人呢?请你给我一个理由好不好?拜托
But how can i fall in love with a person i hate ? please give me a reason ! pleas
至尊宝：可是我怎么会爱上一个我讨厌的人呢？请你给我一个理由好不好？拜托！
Monkey king / joker : but how can i fall in love with a girl i dislike , give me a reason for it , please !
至尊宝：可是我怎么会爱上一个我讨厌的人呢？请你给我一个理由好不好？拜托！