cry for the moon
US /kraɪ fɔr ðə mun/
UK /kraɪ fɔr ðə mun/

1.
pedir la luna, querer lo imposible
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.
Estás pidiendo la luna si crees que puedes terminar todo este proyecto tú solo en un día.
•
Getting a promotion without any experience is like crying for the moon.
Conseguir un ascenso sin ninguna experiencia es como pedir la luna.