“To become a stone on the ice.”

To be left red-faced when your plans fall through or you're caught out.

Heard in the wild

جلوی همه گفت مهمون منید، بعد دید کیف پولشو جا گذاشته. حسابی سنگ رو یخ شد!

He announced in front of everyone that it was his treat, then found he'd left his wallet behind. Talk about red-faced!

More luck and fate

چشمت روز بد نبینه
cheshmet ruz-e bad nabine
“May your eyes never see a bad day.”
The dramatic opening to a tale of disaster: you wouldn't believe what happened next.
آب از سرش گذشته
âb az saresh gozashte
“The water has gone over his head.”
He's past the point of no return, so he may as well go all the way.
کار از کار گذشته
kâr az kâr gozashte
“The job has gone past the job.”
It's too late now; what's done is done.
آسمون به زمین نمیاد
âsemun be zamin nemiâd
“The sky won't fall to the ground.”
It's not the end of the world.