dream on
成語所屬單字dream
dream on — 慣用語
1. used to tell someone that what they hope for is impossible and will never happen
1.慣用語
釋義
繼續做夢吧；別妄想
used to tell someone that what they hope for is impossible and will never happen.
例句
You want to finish the marathon in under three hours? Dream on.
Haruto thinks he can win the lottery every week. Dream on!