When Jesus ... saw her weeping, and the Jews ... weeping ... he groaned in the spirit - the tears of Mary and her friends acting sympathetically upon Jesus, and drawing forth His emotions. What a vivid and beautiful outcoming of His “real” humanity! The word here rendered “groaned” does not mean “sighed” or “grieved,” but rather “powerfully checked his emotion” - made a visible effort to restrain those tears which were ready to gush from His eyes.
and was troubled - rather, “troubled himself” (Margin); referring probably to this visible difficulty of repressing His emotions.