The phrase "back at a time" is grammatically correct and can be used in written English.
It is typically used to refer to a previous period or point in time. Example: Back at a time when we were still young and carefree, we would spend our summers at the beach, playing in the sand and swimming in the ocean.
Judge Leonard said the trial had looked back at a time when things were different.
But if investors demanded their money back at a time when Treasury bills were illiquid, money-market funds might be forced to suspend resumptions or "break the buck".
In examining Alsop's life and role in Washington, Mr. Auburn found it fascinating to look back "at a time when it wasn't that way," he said.
That was way back at a time when the then-new Egyptian president, Hosni Mubarak, talked a good game about introducing democracy.
"We fell behind, but we were pretty patient, and we came back at a time it looked like we wouldn't get any points".
Mr. Mayo said he began attending energy conferences several years back, at a time when the sector had already underperformed the market for about seven years.
Deliciously summery and laid-back at a time when most pop seems to want to make you have a heart attack, it pushes her passion for 90s hip-hop and old-school pop front and centre without feeling like one big slice of nostalgia.
EAST RUTHERFORD, N.J. — At a Giants practice late last week, three running backs at a time carried footballs that had thick rubber bands attached to them and ran forward.
But the intervention by Ankara shows that an important neighbour is thinking seriously about a political transition that could in theory win wide international backing at a time of mounting alarm about the crisis.
Andretti shared what he considered a successful weekend as a race promoter with his employees, and with local businessmen J. P. Grant III and Greg O'Neill, who provided financial backing at a time when the 2012 race was in doubt.
They want commitments from Obama that the United States has their backs at a time when the region is under siege from Islamic extremists, Syria continues to unravel, Iraq is volatile and Yemen is in chaos.
