fall down on the job
To fail to do something adequately or as expected. It was the government's duty to make sure their citizens were protected from a financial disaster like this, but they've fallen down on the job. Jeez, what a glaring mistake. It looks like someone fell down on the job.
fall down on the job
Fig. to fail to do something properly; to fail to do one's job adequately. The team kept losing because the coach was falling down on the job. Tom was fired because he fell down on the job.