cry for the moon

US /kraɪ fɔr ðə mun/
UK /kraɪ fɔr ðə mun/
"cry for the moon" picture
1.

癡心妄想, 異想天開

to ask for something that is impossible or very difficult to obtain

:
You're crying for the moon if you think you can finish this entire project by yourself in one day.
如果你認為你可以在一天內獨自完成整個項目,那簡直是癡心妄想
Getting a promotion without any experience is like crying for the moon.
沒有任何經驗就想升職,簡直是癡心妄想