as right as a trivet

I told you as how the air here'd soon have you as right as a trivet.

He will be as right as a trivet, never you fret, sir.'

Doctor Toms says that Professor van Draak is a brilliant man, and you know you will only have the best--besides," she went on cunningly, 'you'll be as right as a trivet by the time Oliver comes to stay. "

It was eleven o'clock the next morning before I opened my eyes, I sprang off the cot, plunged my head in cold water, drank a cup of coffee, lit a cheroot, and seated myself in my easy chair on the verandah, as right as a trivet, but that was my 'age of iron'.