havefunindoing的用法

很高兴能为你解答疑惑.
have fun (in) doing sth.表示“做某事有乐趣”,
=have a good time
=enjoy oneself
都可表示“过得愉快”
例句：1.We have a lot of fun in the park.
我们在公园里玩得很快活.
2.I have no fun in spending the evening doing nothing.
我晚上闲着无事很无聊.
3.I had great fun playing cards with them.
我和他们玩纸牌玩得非常高兴.