After the divorce, Tim felt he had reached/hit the bottom of the barrel.蒂姆离婚后，觉得自己的人生跌入了谷底。

The excessive coverage of the scandal signals that the news media may have finally hit/reached the bottom of the barrel.对丑闻无休止的报道意味着新闻媒体已经黔驴技穷了。

Salaries in the industry are scraping/hitting the bottom of the barrel. [=salaries in the industry are very low]这个行业的工资正值低谷。