on the up and up | honrado |
on the up-and-up | honrado |
on the warpath | en el sendero de guerra |
On the watch | Al acecho de |
On the Waterfront | On the Waterfront |
on the way | en camino |
on the way to | rumbo a |
on the whole | generalmente |
on time | puntual |
on tiptoe | de puntillas |
on tiptoes | de puntillas |
on top | arriba |
On Truth and Lies in a Nonmoral Sense | Sobre verdad y mentira en sentido extramoral |
on vacation | de vacaciones |
On War | De la guerra |