nadir

公司的股价在金融危机期间跌至历史最低点。

The company's stock price hit its ___nadir during the financial crisis.

受伤后，他的信心跌到了谷底。

After the injury, his confidence reached its ___nadir.

她人生的最低谷出现在同一周内既失去了工作又失去了住处的时候。

Her personal ___nadir came when she lost both her job and her apartment in the same week.