我知道你难过，即使当你微笑，哈哈大笑的时候。

I can see you're sad, even when you smile, even when you laugh.

youdao

妈妈说：“辛迪，我知道你现在很难过。”

Mom said, "Cindy, I know this is hard time for you."

youdao

我知道你们很多人在看到别人受苦时会非常难过，尤其当他们是你所爱的人时。

I know that many of you have a very hard time watching other people suffer, especially if they are loved ones.

youdao