Translation of "Despertados" in English

¿Sólo para ser despertados por el profesor leyéndoles diapositivas?

Only to be woken up by a professor reading slides to you?

Fuimos despertados al alba por el silbato de un tren.

We were wakened by the whistle of the steam locomotive at dawn.

Se me ocurren muchas cosas e intereses que fueron despertados

I can think of so many areas and interests that were sparked or kindled

Despertados con proyectiles volando sobre las empalizadas, se les ordena a las tropas romanas prepararse para la batalla.

Awoken to projectils flying over the palisades, Roman troops are ordered to get ready for battle.