Text: I dare say I couldn't have deceived the specialist for a minute a man who has made a lifelong study of a thing is unique but I managed once again to hold my own with them.
Entailment: It's not the first time that I've been able to stand against someone who's studied something for his whole life.
Contradiction: He knew much more than I did because of his dedicated study, I couldn't stand even the slightest chance against him.