He grinded his teeth and scowled.

他咬牙切齿，怒目而视。

An example, the team grinded out a 10, nil victory.

举个例子，球队取得了 10 比零的胜利。

(thumbs up dinging) So this is that, grinded up in a powder form.

（竖起大拇指）就是这样，磨成粉末状。

So if you need me, I'll be getting grinded like some pepper, in the Champagneoom.

需要我的话 去香槟间找我 会发现我被蹂躏的像被碾碎的胡椒粉。

I loved him talking about his tennis career, and being slammed into the fence, and being a little bit modest about how he just, sort of, grinded it out.

我喜爱他谈论他自己的网球职涯，以及被逼到网球场边围篱的经验，还有以谦虚的态度说自己付出。