If something hits rock bottom it reaches its lowest possible level.

如果某物达到最低点，那是指它达到了可能的最低水平。

Another expression involving hit is hit bottom. Something that has hit bottom can go no lower.

另一个与hit有关的表达是hit bottom，这样的东西无法再降到更低点。

You can see very well when the stern hits the bottom, the stern was still turning.

你可以清楚地看到当船尾触底时，船尾还在转动。

GDP has hit rock bottom these days.

近日，国内生产总值已经触底。

Soon that would make him hit rock bottom.

这很快让他的状态跌入谷底。

It takes hours of diving to hit bottom.

要潜到水底需要几个小时。

Maybe we won't hit absolute rock bottom.

也许我们不会跌入绝对的谷底。

You know what's great about hitting rock bottom?

你知道陷入低谷的好处吗？

I hit rock bottom. I decided I'd had enough.

我跌到了谷底。我决定我已经受够了。

It takes hours of diving to hit bottom, and it's largely an unexplored frontier.

要潜到水底需要几个小时，而且那里基本上是一个未开发的领域。

It just means we've hit bottom and things are not getting any worse.

这只意味着我们已经触底，事态不会变得更糟。

You think it's too soon to dive back into work after hitting rock bottom?

你觉得我经历了人生谷底，不该急于重新投入工作吗？

That's true. There are so many houses available that prices have really hit rock bottom.

对的。有很多不错的房子，房价也真是最低价了。

When you have used up all of the good choices, you have hit the bottom of the barrel.

当你用光了所有好的选择，你就会碰到桶底。

Joey, when I saw him get off that plane with her...I really thought I just hit rock bottom.

乔伊，当我看到他与她一起下飞机… … 我以为我坠入了谷底。

A student who tells you his grades have hit bottom is saying he has not done well in school.

一个学生告诉你他的成绩hit bottom，意思是他的成绩不好。

If you dropped a quarter down the shaft though, it would take about 50 seconds before it hit the bottom.

但如果你把25美分的硬币扔进井里，大约需要50秒才能触底。

They don't know how to pick themselves back up, so they become weaker and weaker... until they hit rock bottom.

他们不知道如何重新振作起来，于是变得越来越软弱，直到跌入谷底。

He unmarries her, hits bottom again, marries her again, and she gets dead.

他与她离婚， 再次跌入谷底， 再次与她结婚， 然后她死了。

And, of course, you can use those expressions, like the going up one, like it has hit rock bottom these days.

当然，你可以用这些表达，类似上升的表达，例如 hit rock bottom。