HSK 3 · adjective
开心
happy; in a good mood
今天孩子们玩得很开心。
Jīntiān háizimen wán de hěn kāixīn.
The children had a lot of fun today.
孩子们开心极了。
Háizimen kāixīn jíle.
The children are extremely happy.
他喜欢编有趣的故事，逗大家开心。
Tā xǐhuan biān yǒuqù de gùshi, dòu dàjiā kāixīn.
He likes making up funny stories to amuse everyone.
这次旅行算是我们最开心的一次。
Zhè cì lǚxíng suànshì wǒmen zuì kāixīn de yí cì。
This trip counts as our happiest one.