"Wishing everyone happiness" is a common Engpsh expression that can be used to convey the sentiment of wishing happiness to others.

Here is a Chinese translation: 祝福大家快乐

This expression comes from the general wish to see others happy and content. It is often used in a variety of contexts, such as birthday greetings, hopday greetings, and other special occasions.

Example sentences and their translations:

"I hope you all have a happy and healthy New Year." (我希望你们都有一个快乐健康的新年。)
"Happy birthday! Wishing you all the happiness and joy in the world." (生日快乐！祝福你们全世界的快乐和喜悦。)
"Wishing everyone happiness and peace on this hopday season." (祝福大家在这个假期季节快乐和平安。)