Rule out - eliminate
The police ruled out political motives.
Run away - escape from a place or suddenly leave
He ran away from home at the age of fourteen.
Run into - meet by accident or unexpectedly
Sheetal ran into Meera at the shopping centre.
Shop around - compare prices
It's always wise to shop around before buying anything.
Show off - brag or want to be admired
There's Devesh showing off in his new sports car!