喜悦的泪水用英语怎么说？

喜悦的泪水

...tears of joy.

tears

n. 眼泪( tear的名词复数 )，破洞，裂口，裂缝；v. 撕( tear的第三人称单数 )，（使）分裂，撕碎，扯破；

例句
Why do apparently sane people go through all the blood, sweat, tears and heartache involved in getting a PhD?
为什么那些看起来神志正常的人会拼了命地要拿到一个博士学位？

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

joy

n. 高兴，喜悦，喜悦，成功；

例句
She had given him the only joy his arid life had ever known.
她为他枯燥无味的生活带来了从未有过的乐趣。