Outside the boys were sitting on the ground and, going by the gales of laughter, they were having a ball.男孩们在户外席地而坐，从阵阵笑声来看，他们玩得很开心。
Well, you sure had a ball at the party, didn't you! Dancing and talking and drinking with all these people I didn't know. Too bad you didn't have any time to spend with me!
哼，你在宴会上玩得真尽兴啊，不是吗？和所有那些我不认识的人跳舞、聊天、喝酒。糟糕的是你竟然忙得分不开身来顾到我。
Enjoy oneself enormously, as in It was a great trip—— I had a ball. This idiom uses the noun ball in the sense of "a gala dance."
尽情享受吧，就如这是一次伟大的旅行——我玩得很开心。
How about going with me, Mike? We'll have a ball.
跟我一块去怎么样，迈克？我们会玩的很开心。
We had a ball at the party and didn’t come until 2AM.
在这次派对上我们玩得很嗨，不知不觉到了凌晨2点。
The kids really had a ball at the birthday party--they won't stop talking about it!
他的孩子们在生日聚会上玩得很开心——他们不停地谈论这件事!
We intend to have a ball at the amusement park today.我们打算今天到游乐场玩个痛快。
Come on,everybody！ Let’s have a ball！大家快来吧！咱们痛快地玩一玩！
These are films to have a ball with.这些是供消遣的影片。
Let's hit the bar,have a ball tonight!今晚我们倒酒吧玩个痛快吧！
Did you have a ball on vacation?你假期过得好吗？
After their parents left,the children had a ball.父母走后，孩子们开始狂欢。
I'm sure we will have a ball there.
我相信我们在那儿一定玩得很开心。
类似说法有：
