گزارش خطا در معنی کلمه 'It'll never fly'

1 general:: Phrase(s): It ’ll never fly. Fig. It will never work!; It will never be approved! (Refers originally to an evaluation of an unlikely-looking aircraft of some type.) • I have read your report and studied your proposal. It’ll never fly. • Your design for a new electric automobile is interesting, but it’ll never fly!