run out of steam

US /rʌn aʊt əv stiːm/
UK /rʌn aʊt əv stiːm/
"run out of steam" picture
1.

esaurire le energie, perdere slancio, stancarsi

to lose energy or enthusiasm and stop doing something, or to become tired and less effective

:
The project started strong, but it seems to be running out of steam now.
Il progetto è partito forte, ma sembra stare esaurendo le energie ora.
After working for ten hours, I started to run out of steam.
Dopo aver lavorato per dieci ore, ho iniziato a esaurire le energie.