当她看到儿子时，她流下了喜悦的泪水。

Her ___tears were tears of joy when she saw her son.

听着那个悲伤的故事，她的眼里充满了泪水。

Her eyes filled with ___tears as she listened to the sad story.

他强忍住愤怒的泪水。

He fought back the ___tears of rage.