to run on fumes
01
to continue functioning despite being extremely tired
![to [run] on fumes definition and meaning](https://cdn.langeek.co/photo/40369/original/?type=jpeg "to [run] on fumes definition and meaning")
Idiom
Informal
例子
I'm running on fumes — did n't sleep last night.
The team is running on fumes but still giving their best effort to finish the project.
02
to operate with almost no fuel left
例子
The car was running on fumes by the time we found a gas station.
The boat ran on fumes back to the dock.
