1
general::
Phrase(s): turn something around [and] turn something about
to reverse the direction of something; to cause something to face the opposite direction. • Turn the car around and head it in the other direction. • If you turn the chair around, we can see one another while we talk., Phrase(s): turn around [and] turn about
to reverse direction; to face the opposite direction or turn completely. • The bus turned around and went the other way. • Please turn around so I can see who you are.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Reverse the direction or course of something or someone, as in He has a way of turning around a failing business, or If some one doesn't turn him around he's headed for trouble. [Late 1800s]
American Heritage Idioms