But as it goes up, there is less air above it to push down on it; so it expands.
I see what it was: I forgot to push down my foot to point the machine up.
All the boy had to do was to insert and withdraw the paper and push down with his foot.
He might as well have tried to push down the Bank of England with an umbrella.
You must then drive him away and push down the precious stones you will find there.
Accordingly we determined to push down: I was at the helm, the rest at their paddles.
Push down the frozen dessert in the can carefully and tightly with the aid of a spoon.
By standing on the kitchen stool and getting Aunt Martha to push down the upper sash, he could reach the top.
The intention had been to push down the latter river, and, where it joined the Alleghany, to build a third fort.
And she herself had given him the first push down that facile descent when she had refused to be his wife.