The phrase "a left off" is not correct in standard written English.
It seems to be a misinterpretation of the phrase "left off," which is used to indicate where something was paused or stopped.
Example: "I will pick up the story where I left off last week."
Alternatives: "where I stopped" or "where I paused."
We took a left off the seafront and up a passageway so narrow I could touch both walls.
We took a left off Noyac Road before it hit Cromer's, the market known for its fried chicken, and there, at the end of a gravel driveway overhung with branches, was a little white gate that read "Main House".
It you take a left off the entrance on the Rue de Vaugirard next to the Musee Luxembourg you will soon come to an oxidized bronze bust of Delacroix and below engraved in the pedestal "Les Admirators" flanked by two sylphs.
As the rain poured, we made a left off the main highway and stumbled onto the center of town, a ghost of the Old West with two rows of white stone buildings and creaky wood storefronts, some still with hitching posts.
Does an image of Gerald R. Ford pop into their heads when they take the turn toward Council Bluffs or make a left off of Bob Hope?
Hang a left off the top of the Revelation Lift to the Gold Hill Chutes (Nos. 2 to 5), recently opened to skiers and said to be some of the steepest terrain in North America.
Or, some might say, like the beep of a telephone left off the hook.
Customers get access to products from anywhere, and the products remember where a customer left off in using them.
Released in November 2000, the band returned to the studio with Finn to complete a song left off the final track listing of Enema of the State: "Man Overboard".
When he came to, he tried to clean up a little, but left off after a while and went to sleep.
Rosario led off the 12th with a double to left off Luis Ayala (1-1).
