Prices hit rock bottom.

价格降到了最低点。

《牛津词典》

I've hit rock bottom.

我的心情跌倒了谷底。

youdao

Don't let yourself hit rock bottom, turn yourself around before it's too late!

别让自己陷入万劫不复的境地，在一切还没有太晚之前浪子回头吧。

youdao

Second is that they can never be really sure that they have hit rock bottom.

ECONOMIST: American slums

So even a dyed-in-the-wool Zynga bear might be forced to consider that the stock may have finally hit rock bottom.

FORBES: Zynga Spikes; Suddenly, Investors See A Raging Bargain

"Physically, it's obvious that I hit rock bottom, " said the 22-year-old, who will make her comeback in the Sydney International from 10-16 January.

BBC: SPORT | Tennis | Henin-Hardenne beaten on comeback