"have fun" 是表示 "做某事玩的开心" 的常用说法。来源于英语的习语 "to have a good time"，意思是在某些场合或活动中享受时光。可以在许多不同的上下文中使用。
例句:
"I'm going to the party to have fun." (我要去参加聚会玩。) "Let's have fun at the beach today." (让我们今天在海滩玩。) "I hope you have fun on your vacation." (我希望你度假玩的开心。)