what is the worst thing you have heard about our firm?
你听到的与本公司有关的最负面的事是什么?
your company has a reputation for being hard to get into-the turnover rate is low and the hiring process is rigorous.
我听说贵公司是公认的难进的公司，员工流动率低，录用过程严格。
这个问题也不太容易回答，诸如“听说进入贵公司很难”这样的回答应该是最保险的。但是如果有众人皆知的负面新闻，简单说明一下也无妨。