run to earth

break into a run

To start running.

come down to earth

To be brought back to reality; to emerge from a daydream.

common run

Ordinary persons, things, or events.

cost the earth

To be a huge expense.

dry run

A practice or rehearsal; especially, one that goes through all the motions of a physical process but without the raw material or workpiece present.

dummy run

A trial or practice before the real attempt.

edge of the earth

A very remote place.

go to the ends of the earth

To do everything possible to achieve something.