Oh, yes, yes, yes, yes. Nose to the grindstone.

，，头苦干。

So, if you've been keeping your nose to the grindstone, remember to take a break.

所以，如果你一直在头苦干，记得休息一下。

Then it's back to the grindstone... on Earth and on Mars.

随后地球上火星工作就恢复正常了。

They keep working even through hard times. They keep their nose to the grindstone.

即使在困难时期他们也会继续努力。他们一直头苦干。

Just before the school in winter he shovels paths; in summer he turns the grindstone.

冬天开学前，农场少年先要铲除路上坚冰积雪，夏天该找出磨石磨刀霍霍。

And there are times when we have to put our noses to the grindstone.

有时我们必须头苦干。

Since then, there have been many makeovers of the famous ball, including crystals, grindstones and strobe lighting.

从那时起，这个著名水晶球被多次改装，包括水晶、磨石和频闪灯。

So, putting your nose to the grindstone simply means to focus and work really hard on something.

因此，“put your nose to the grindstone”简单来说，就是指专注于某事并付出极大努力去工作。

When you keep your nose to the grindstone, you work very hard for a long time at something.

当你“keep your nose to the grindstone”，是指你会在某件事情上长时间非常努力地工作。

A grindstone is used to sharpen knives and swords.

磨刀石用于磨利刀剑。

I wanted to do my best, so like you said, I put my nose to the grindstone.

我想要做到最好，所以正如你所说，我全力以赴，头苦干。

He also notes that the terms " millstone" and " grindstone" were used interchangeably hundreds of years ago.

他还指出，“磨盘”和“磨石”这两个术语在几百年前是可以互换使用。

One evening, looking out of the window, he saw that a large grindstone had been brought into the square below.

一天晚上他朝窗外看时候，见到一块巨大磨石被人扛到了楼下场地上。

" They'll be keeping your noses so hard to that grindstone they'll be rubbed raw, " said Fred with satisfaction.

“它们会像一块砂轮在使劲打磨你们鼻子，会把鼻尖皮都磨破。”弗雷德幸灾乐祸地说。

In some cases, we also say put your nose to the grindstone.

在某些情况下，我们也说“put your nose to the grindstone”。

A grindstone is a large stone circular stone with a hole in the middle. An axle fits through that hole.

磨刀石是一种间有孔大型圆形石头。孔里会穿过一个轴。

Imagine being hunched over your work and working hard at it. That describes having your nose to the grindstone.

想象一下，你弯腰驼背地努力工作。那描述是头苦干。

I saw you putting your nose to the grindstone over the last three months just to prepare for that concert.

我看到你在过去三个月里头苦干，只为准备那场音乐会。

He also notes that while hobbies offered relief from the old grindstone, they also occupied a space tied to productive leisure.

他还指出，虽然业余爱好能让人从旧磨石解脱出来，但它们也占据了与生产性休闲相关空间。

This mill, with its ancient grindstones, has been producing flour for generations.

这家磨坊拥有古老磨石，几代人一直在生产面粉。