So if you've ever done something bad like drop your laptop or smack your computer and you've never been told not to do this.

如果你以前做过类似的摔或拍打电脑,并且没有人告诉你不可以这样做。

哈佛公开课 - 计算机科学课程节选

so it's... pretty near finals. So you can drop any classes you want up until the drop date with like no penalty.

所以……蛮接近期末考试的。所以在退课日之前你可以不受任何处罚退课。

对于返校日 - SpeakingMax英语口语达人

I didn't like that. I don't want students to drop out.

我不希望这样,我不希望学生中途退出

耶鲁公开课 - 金融市场课程节选

At somewhere like "New York Yoga", you're going to have to pay $25 to drop into a class,

在某些地方像“纽约瑜伽”，就算只是参加一堂课，你也得付二十五美元，

上东区的瑜伽老师 - SpeakingMax英语口语达人