不知不觉间，我爱上你了。英文怎么表达？

Without noticing it，I fell in love with you.

i Can't Help Falling In Love with you.

顺便跟你介绍下:下载个有道桌面词典,容量很小,觉得还行.

I found I Love you。

We knew it, I fell in love with you,

bu zhi bu jue jian ,I LOVE YOU le.