estaban bregando
-they/you were struggling
Imperfecto progresivo para el sujeto ellos/ellas/ustedes del verbo bregar.

bregar

Estaban bregando seriamente con lo que implicaría poder derrotar en realidad a un adversario muy poderoso en una lucha sin cuartel por el poder, y lo que serían las condiciones apropiadas para lanzar dicha lucha sin cuartel.
They were seriously grappling with what would go into actually being able to defeat a very powerful adversary in an all-out struggle for power, and what would be the right conditions to begin that all out struggle.
Las personas estaban escuchando atentamente y asimilando todo y se podía ver que estaban bregando en serio esto.
People were listening intently and taking it all in and you could see that they were really grappling with it.
Había muchas formas en que la gente circulaba sus ideas y sus experiencias, y muchísimas personas estaban bregando con todo esto.
There were many different ways in which people were circulating their ideas and their experience, and many, many people were wrestling with all this.
Hace solo una década atrás estaban bregando con su comprensión de la gravedad, ya que el comportamiento de sus sondas pareciera contradecir las matemáticas que el hombre ha utilizado para describir y predecir la gravedad.
They were struggling with their understanding of gravity just a decade ago, as the behavior of their probes was counter to the math man used to describe and predict gravity.
Palabra del día
el ponche de huevo