to chase one's (own) tail
01
to try hard yet achieve very little or nothing at all
![to [chase] {one's} (own|) tail definition and meaning](https://cdn.langeek.co/photo/40989/original/?type=jpeg "to [chase] {one's} (own|) tail definition and meaning")
Disapproving
Idiom
Informal
Exempel
The politician keeps making promises that he ca n't keep, and his constituents are getting frustrated with him. He's just chasing his own tail.
