I need to cop off early today.

Why don't you naff off and leave me alone?

Beware the ides of March.

She is the apple of his eye.

The freedoms of the air are a set of commercial aviation rights granted by international agreements.

The captain ordered the ship to bear off from the dangerous rocks.

Opening up that topic is like opening a can of worms.

The company developed a proof of concept for their new product.

He felt like a fish out of water at the party.

The law of diminishing returns states that as more units of a variable input are added to a fixed input, the marginal product of the variable input will eventually decrease.