The noise of their engines should keep them from hearing her approach.
"The noise they made sometimes kept us awake well into the early hours," says Ted.
The noise kept him awake, and he lay there listening.
"Any more noise like that and I shall keep you all in bed tomorrow!"
For some time the noises of the village kept him awake, but at last he slept.
But the noise and the cameras kept the rats out of sight.
Jack shut off the engine, as if the noise were keeping him from hearing her straight.
"The noise in my ears keeps me up when I try to go to sleep."
It was just as well, I thought, that the noise of the storm and the engines kept me from hearing what he said.
The noise of the twin props kept our conversation private.