speak too soon

US /spiːk tuː suːn/
UK /spiːk tuː suːn/
"speak too soon" picture
1.

hablar demasiado pronto, cantar victoria antes de tiempo

to say something that turns out to be wrong very soon after you have said it

:
I thought I had finished all my work, but I guess I spoke too soon.
Pensé que había terminado todo mi trabajo, pero creo que hablé demasiado pronto.
The baby finally fell asleep. Oh, wait, I spoke too soon, he's crying again.
El bebé finalmente se durmió. Oh, espera, hablé demasiado pronto, está llorando de nuevo.