You have to grit your teeth and work hard.

你一定要咬紧牙关，努力工作。

You'll just have to grit your teeth and take them.

你只能咬紧牙关鼓足勇气接受它。

You grit your teeth and put on another trade. Another loss.

你咬牙切齿地再交易一次，又是亏损。

Grit your teeth, fix your gaze, and observe death at this moment.

在死亡来临时，要紧牙关，坚定目光，正视死亡。

You just have to grit your teeth and work harder to get good at it.

你只是需要咬紧牙关，更加努力地去学好它。

When things get difficult, you just have to grit your teeth and persevere.

遇到困难只需咬紧牙关坚持下去。

When things get difficult, you just have to grit your teeth and persevere.

当事实变困难时，你仅仅需要多笑笑并且坚持。

You could indulge yourself with a snack, but you think it's best to grit your teeth and wait for lunch.

你可以放纵下，吃点小零食，但你认为最好是咬紧牙关等待午餐。

Yes, this one's a bit boring, but what could be worse having to grit your teeth and stare through a big, ugly scratch on your Kindle's display every time you have a read?

没错，这款看起来似乎没什么新意，但是当你每次阅读时都对着满是划痕的屏幕，又有什么比这个更糟糕呢？

Dead people might talk, maybe, but they don't come sliding around in a shroud, when you ain't noticing, and peep over your shoulder all of a sudden and grit their teeth, the way a ghost does.

也许死人会说话，可是他们不会趁你不注意，披着寿衣悄悄溜过来，猛地从你背后探出身来，龇牙咧嘴；但他们就爱这么干。