A captious scholar.
A captious question.
An example of a captious comment is when someone tells a man that he does not know how to bar-b-que a good steak.
An example of someone who is captious is a person who always points out the faults of her friend.
A captious question, sir, and yours is one, / Deserves an answer similar, or none.
Were you aware that in your discourse last Sunday you attributed the captious Problem of the Sadducees to the Pharisees, as a proof of the obscure and sensual doctrines of the latter?