你知道你不常给母亲打电话，而你的电话会让她快乐一整天，所以说打就打吧。

You know you don't call your mother enough and it will make her day, so just do it.

youdao

打得赢就打，打不赢就走。

Fight when you can win, move away when you can't.

《新英汉大辞典》

我没有办法，就打电话给我男朋友，可是打不通。

I have no way, they call me a boyfriend, but can not get through.

youdao

That's simple, and he just started playing the best tennis of his life, just remembering what it's been like for him.

很简单，他就已经,开始打网球生涯中最好的表现，仅仅是记起了比赛的真正含义。

普林斯顿公开课 - 人性课程节选

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

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