make a run for it

break into a run

To start running.

cannot make it

Cannot reach satisfactory or expected standards or do something competently; describes someone in a hopeless situation.

common run

Ordinary persons, things, or events.

doctors make the worst patients

It is difficult to advise people on subjects that they are experts on.

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.

enough to make a cat laugh

Very outlandish or outrageous.

enough to make the angels weep

Something so distressing that it causes one to lose hope and faith.