"razor sharp memory" is grammatically correct and can be used in written English.
It is a common expression used to describe someone who has a very good and precise memory. Example: Despite being in his nineties, Professor Smith still had a razor sharp memory, recalling even the most minute details of events that happened decades ago.
Always genial, always helpful, he possessed a razor-sharp memory of all the ballets he had appeared in.
And she showed a razor-sharp memory by recalling a conversation that she had with Mr. Koch decades ago, at the offices of New York magazine.
Ms. Radler credits a razor-sharp memory with helping her master both mah-jongg and blackjack, which she plays frequently at casinos.
My hope is that we enable her to enjoy creating her own teenage journey to ultimately find herself and that, with my new-found razor-sharp memory, I will be someone who can relate to that journey and someone she can turn to in time of need.
With his keen insights, razor-sharp memory, and painful honesty, he has changed how I view the world.
Current Buffalo Trace master distiller Harlen Wheatley said he "would inquire with Elmer when stuck on a mechanical problem, and any historical questions about the distillery always went to Elmer, who, with his razor-sharp memory, could invariably answer.
My smart, 86-year-old father, whose razor-sharp memory has been waning of late, was definitely sliding fast toward that old-age oblivion where time, facts and people all start to blur together, sometimes into one big happy fuzzball, but most times into fits and starts of remembering, consternation and forgetting again.
Her razor sharp visual memory bank allows her even now to see most of those properties, perhaps even the gardens that adorned them.
The 1930s exert an irresistible attraction for me, perhaps because I am fortunate enough to have family members who were children at the time, and whose childhood memories remain razor sharp.
Zerohedge and Bloomberg both noted yesterday, and I didn't, that the Baltic Dry Index has collapsed to a level we haven't seen since 1986 (a year where my memories are not exactly razor sharp, for reasons you can guess).
