'Expounding' in the Bible

and without a simile he was not speaking to them, and by themselves, to his disciples he was expounding all.

and having begun from Moses, and from all the prophets, he was expounding to them in all the Writings the things about himself.

and having appointed him a day, they came, more of them unto him, to the lodging, to whom he was expounding, testifying fully the reign of God, persuading them also of the things concerning Jesus, both from the law of Moses, and the prophets, from morning till evening,