Měi ɡe rén dōu fēichánɡ kāixīn.
Everyone was thoroughly entertained.
每个人都非常开心。
Notes:
每(měi): every
个(ɡe): measure word
人(rén): people
都(dōu): all
非常(fēichánɡ): extremely
开心(kāixīn): happy
Example:
A:昨天的晚会怎么样?
How was the party last night?
Zuótiān de wǎnhuì zěnmeyànɡ?
B:每个人非常开心。
Měi ɡe rén dōu fēichánɡ kāixīn.
Everyone was thoroughly entertained.