Las protestas violentas no ayudaron a nuestra causa; antes bien, la perjudicaron mucho.The violent protests didn't help our cause; rather, they were very detrimental.
La lista de lecturas obligatorias era más larga que en el semestre anterior. Para mí eso no era un castigo; antes bien, era como un premio.The required reading list was longer than the previous semester. To me that wasn't a punishment; quite the contrary, it was more like a reward.
El patrullero ordenó al conductor que se hiciera a un lado pero este no se detuvo, antes bien aceleró.The patrolman ordered the driver to pull over, but he didn't stop; instead, he sped up.
No me disgusta la nueva película de Ferrarini; antes bien, me gusta bastante.I don't dislike Ferrarini's new movie, as a matter of fact I quite like it.