to lose steam
01
to lose momentum, energy, or enthusiasm for something, especially a task or project
![to [lose] steam definition and meaning](https://cdn.langeek.co/photo/40891/original/?type=jpeg "to [lose] steam definition and meaning")
Idiom
例子
The company's marketing campaign started out strong, but it has been losing steam in recent weeks as interest from consumers has waned.
The writer started the book with a lot of momentum, but they have been losing steam as they struggle to develop the plot and characters.
