horseplayer

n.常赌马之人

At first it was only horseplay but it soon got out of hand and developed into full-scale fight. 开始那只是喧闹的嬉戏，可是很快就失去了控制，发展成了全面的斗殴。

Do not engage in horseplay while working. 工作时，不要随意开玩笑、恶作剧。

They began to horseplay when the teacher put Mary up for the monitor. 当老师提议让玛丽当班长时，大家开始哄闹起来。

"If I recall, such good-natured horseplay happens in American elections, too. 我记得这种非恶意的闹剧在美国选举史上也曾经发生。

And there were squeals of delight from nearly all the girls in the room, who were amused by this eccentric horseplay. 房间里几乎所有的姑娘对这种古怪的恶作剧都觉得很好玩，一个个发出兴高采烈的尖叫声。