estaban aislando
-they/you were isolating
Imperfecto progresivo para el sujeto ellos/ellas/ustedes del verbo aislar.

aislar

En todo caso, se estaban aislando.
If anything, they were closing themselves off.
Yo hablaba inglés, de modo tal que al menos no tuve esa barrera, pero fueron otras pequeñas cosas las que me estaban aislando.
I spoke English so at least I didn't have that barrier, but it was the little things that were isolating.
Palabra del día
el abeto