He asked me not to tell his parents the fact that might make them sad.

他叫我别告诉他父母亲这个事实，那可能会使他们伤心。（定语从句，作主语）

youdao

Tell sad stories to them, and that will make them cry.

给他们讲悲伤的故事，那样的话就能让他们哭起来。

youdao

Tell sad stories to them, and that will make them cry.

给他们讲悲伤的故事，那样的话就能让他们哭起来。

youdao