Be prepared for constant running around and thinking one step ahead, which you will be doing anyway. (kidskillcoolness.com)
Early in life he was a troublesome kid with constant run - ins with the police. (nerdlocker.com)
But this bucket is leaky, so to keep the water level constant a running faucet continuously replaces the water being lost — the water flowing in replaces the water flowing out. (www2.vet.cornell.edu)