Mountaineering in a blizzard needs a lot of grit.

在暴风雪中登山需要极大勇气和毅力。

The grit beneath her soles grated harshly on the wooden deck.

粘在她底沙砾蹭在木甲板上发出刺耳声音。

Parliament must grit its teeth and take action.

议会必须痛下决心，采取行动。

I've got some grit in my shoe.

我里弄进了一些砂。

400 grit paper.

细度为400砂纸。

When I was a boy, I was forced to have a cold shower every morning. I hated it but I just had to grit my teeth and do it.

小时候，我被迫每天早上洗冷水澡，我很不情愿但仍然咬紧牙关坚持了下来。