to turn upon (attack), atacar.
to turn upon (depend upon), depender de, fundarse en.
TO LOOK
to look down upon (despise), menospreciar, despreciar.
to look out (be on one's guard), estar sobre aviso.
to look over (examine), examinar, repasar.
to look to (for help, favors, etc.), esperar de.
to look up to (respect), respetar.
to look well (seem to be in good health), parecer estar bien de salud.
to look well (have a pleasing appearance) (clothes), sentar bien, caer bien.