Although this may seem a very tedious way to go about things, it is the only sure method of success.

It would have been a sure method of escape.

Is there any sure method of eliminating the bamboo?

They want to make sure they stick to the one approved method and do nothing else.

My Way of strategy is the sure method to win when fighting for your life one man against five or ten.

What the problem requires is better police work and a surer method for separating dangerous drivers from their cars.

"So the only thing is to seek a surer method?"

A method not much more sure than all the others, but excellent if someone compared its results with those of other soundings.

They have some absolutely sure method of committing murder so it looks like death from natural causes.

For a global company, e-mail is the one sure method of communication.