As fire is enveloped by smoke, as a mirror by dust, as an embryo by the womb, so this (wisdom) is enveloped by that (desire or anger) .

dhūmena = by smoke; āvriyate = is covered; vahniḥ = fire; yathā = just as; adarśaḥ = mirror; malena = by dust; ca = also; yathā = just as; ulbena = by the womb;