run-in
A traffic accident.
My car was wrecked when I had a run-in with a small truck.
A violent quarrel.
John had a nasty run-in with his boss and was fired.
run-of-the-mill
run-of-the-mine
Of a common kind; ordinary; usual.
Frank is a very good bowler, but Joe is just run-of-the-mill.
It was just a run-of-the-mine movie.
running commentary
A continual series of remarks.
My chiropractor gives me a running commentary on the health care debate while he is giving me a rubdown.
running start
Good progress at the beginning.
The team was off to a running start, having won the first two games.
Contributions of $5000 before the drive began gave the charity fund a running start.
saber rattling
sword rattling
A show of military strength usually to frighten; a threat of military force.
The dictator marched his troops and tanks along the border of our country and did some saber rattling.
sack in
sack out
To go to sleep for a prolonged period (as in from night to morning).
Where are you guys going to sack in?
Where are you guys going to sack out?
safety in numbers
Protection against trouble by being in a group.
Peter said, "Stay in a group; there is safety in numbers."
sail close to the wind
To be on the borderline between legality and illegality.
Быть на грани законного и не законного; рисковать.
The wealthy tycoon sailed close to the wind during Prohibition.
He seems to invest his money well although he often sails close to the wind.
Кажется, он надежно вложил деньги, хотя он всегда рискует.