swinging a baseball bat at me on the subway train for no reason, except that he's crazy.

他在地铁上无端地朝我挥动棒球拍，没有理由，除非他疯了。

向哥伦布学习 - SpeakingMax英语口语达人

In Franny and Zooey, what did you notice? Tell me what you noticed, at first bat, if any of you have read it.

在《弗兰尼与佐伊》里，你们注意到了什么，告诉我，首先问一下，你们有谁读了它吗。

耶鲁公开课 - 1945年后的美国小说课程节选