但在你面前，我仅仅是一个托钵僧，你的赛巴巴。

But before you, I am just a fakir, you Sai Baba.

youdao

有时朋友在你面前似乎很好，但在你背后，也许说些中伤的话。

Sometimes a friend who always seems nice to your face may say something cruel behind your back.

youdao

在你爱的人面前，你会心跳加快。但在你喜欢的人面前，你会感到快乐。

In front of the person you love, your heart beats faster. but in front of the person you like, you get happy.

youdao

But suppose you are in a train and you're moving past me and you look at this piece of chalk.

但假如你在火车上,从我面前驶过,你看着这支粉笔

耶鲁公开课 - 基础物理课程节选