To be involved in many, or too many, different things.
run about
To be very busy doing many different things.
run around
chalk and cheese
Said of things that are very different, though possibly superficially …
built different
Able to do things which others cannot; extremely talented or unusual.
march to the beat of a different drum
To do things in one's own way regardless of societal norms and convent …
cut from the same cloth
Of two or more persons or things, very similar; possessing many of the …