可以直接用。
have fun【hæv fʌn】意思是开心,作乐;寻欢作乐(尤指性交)[亦作 have (或 do) a bit of fun]
例句
They have fun together.
他们在一起很有乐趣。
Have fun picking a motto and theme song for your life.
因为有趣而为你的生活挑选一段格言和主题歌曲。
Have fun with experimenting on human behavior and you will see that public speaking is notthat bad after all.
在人们的行为上进行有趣的实验,你将看到公开演讲毕竟是没那么糟糕的。
If you do these things, you will not only have fun and learn English.
如果你做这些事,你将不仅仅获得乐趣和对英语的学习。
You have food, a place to live, and something to do most days. You probably have fun once in a while.
你现在拥有食物,有住的地方,并有事情可以做,你还可能会偶尔感觉生活很有乐趣。