گزارش خطا در معنی کلمه 'on a fool's errand'

1 general:: Phrase(s): *on a fool’s errand Fig. involved in a useless journey or task. (*Typically: be ~; go ~.) • Bill went for an interview, but he was on a fool’s errand. The job had already been filled. • I was sent on a fool’s errand to buy some flowers. I knew the shop would be closed by then.