要是不小心，就打你的屁股。

You'll get a smack on your backside if you're not careful.

《牛津词典》

你快回你自己的育儿室去，否则我就打你耳光。

You come along back to your own nursery or I'll box your ears.

youdao

如果你再说那样的话，我就打你的耳光。

I'll box your ears if you say that again.

youdao

So if you haven't already, just glance at the person next to you, or say hello if you don't know them.

如果你还没有做好，那就看看你旁边的人,如果你不认识他们就跟他们打个招呼。

哈佛公开课 - 计算机科学课程节选

So the cost of the product will be higher for them, for you know, for any product that uses advertising

所以他们的产品价格就会更高，你知道，任何打广告的产品。

广告和价格的关系 - SpeakingMax英语口语达人

And so ultimately one of the messages we'd like to send today is that if you are the type who's kind of on-the-fence don't think this is for you, worried about hurting your GPA or anything like that.

最终，我们想告诉你们的是,如果你是那种对分数不太在意的人,这种打分制就不是为你准备的，担心影响你的学分绩点之类的东西。

哈佛公开课 - 计算机科学课程节选