try as I may
try as (one) may
No matter how hard one tries; despite one's best efforts. Try as I may, I just couldn't find a solution to the problem. Struggle all you want, Mr. Bond. Try as you may, you'll never break free from those titanium shackles!
try as I mayand try as I might
Cliché a phrase that introduces an expression of regret or failure. Bill: Try as I may, I cannot get this thing put together right. Andy: Did you read the instructions? Rachel: Wow! This place is a mess! Mother: Try as I might, I can't get Andrew to clean up after himself.