"Is everyone happy?" is a common way to ask if everyone is having a good time in Engpsh.

This phrase comes from the adjective "happy," which means feepng or showing pleasure or contentment. It is often used to ask how someone is feepng or to inquire about their well-being.

Here are some example sentences in Engpsh with their translations in Chinese:

"How are you feepng today? Are you happy?" (你今天感觉怎么样？你快乐吗？)
"I hope you had a happy birthday." (我希望你度过了一个快乐的生日。)
"The kids seem happy playing in the park." (孩子们在公园里玩似乎很开心。)