6Andκαὶnotοὐκthey were ableἴσχυσανto replyἀνταποκριθῆναιtoπρὸςthese thingsταῦτα.
And they were not able to reply to these things.
ἀνταποκριθῆναι
ἀνταποκρίνομαι
I contradict, reply against, give a hostile answer.