I am of opinion that pumping a leaky ship is the most detestable work in the world.
Two hours' pumping in every four is no joke—but it kept her afloat as far as Falmouth.
That boundless wealth of good intentions is a well no pumping can exhaust.
He floated easily, pumping the air far back into his big lungs.
The two rascals were expert at pumping the little half-breed.