But I cannot say goodbye to a friend without crying.

但我不能对朋友说再见时不哭。

youdao

I cannot lose their life and don't know how to say goodbye, so I didn't say goodbye and left.

我不知道该怎么和生活中无法失去的人说再见，所以我没有说再见就离开了。

youdao

I cannot believe the time have come to say goodbye. I am not really sure I want to leave.

我不能相信已经是分别的时候了。我真不知道我是不是要离开。

youdao