run of play

break into a run

To start running.

child's play

Something particularly easy or simple.

common run

Ordinary persons, things, or events.

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.

go play in the traffic

To go elsewhere and feel free to engage in risky behavior; to get lost.

good run

Success over an extended period.

grandstand play

A successful play or other manoeuvre during a sporting competition in which one or more players shows off unnecessarily in order to entertain or impress the spectators.