have fun意思是玩得开心。与其有相同意思的短语有have a good/great/wonderful time，enjoy oneself。都有“玩得开心”的意思。

have fun的用法

1、Don't be so bitchy. We'll go out and have fun later.

不要如此暴躁。我们等一下就出去玩。

2、Did you have fun at the dance?

你在舞会玩得还开心吗？

3、Have fun and prepare to make a commitment.

保持愉快，做好承诺的准备吧。

4、See you， sweetie. Have fun.

再见，宝贝。玩得开心点。

5、Takino said that their main goal is to have fun.

武田说她们的主要目的是获得乐趣。

have a good/great/wonderful time的用法

1、They have a good/great/wonderful time on their return journey.

他们归途中过得愉快。

2、Mr. Bowen， did you have a good/great/wonderful time yesterday?

伯恩先生，昨天过得愉快吗？

3、I believe I will have a good/great/wonderful time working with them.

我相信我们会合作愉快的。

enjoy oneself的用法

1、Take a well-earned rest and go out and enjoy yourself.

你理应休息一下，出去好好玩玩。

2、Get out and enjoy yourself， make new friends.

出去走走，好好玩玩，交些新朋友。

3、Holidays for me are times to relax and enjoy myself.

假期对我来说是放松和享受。

4、You take care. I'm going to enjoy myself.

你好好照顾你自己吧，我可要尽情享受一番了。

5、I'm poor， but I can always enjoy myself.

我虽然很穷，但我始终过得很开心。