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to run out of steam
01
to lose one's enthusiasm or motivation, making one incapable of finishing a job or task
![to [run] out of steam definition and meaning](https://cdn.langeek.co/photo/43218/original/?type=jpeg "to [run] out of steam definition and meaning")
02
to lack the energy necessary to complete a job or task, particularly after a long period of activity
![to [run] out of steam definition and meaning](https://cdn.langeek.co/photo/43216/original/?type=jpeg "to [run] out of steam definition and meaning")
03
to be without the necessary means to continue an activity or to fulfill a need
