hubieran arriesgado
-they/you had risked
Antecopréterito de subjuntivo para el sujetoellos/ellas/ustedesdel verboarriesgar.

arriesgar

Sinceramente, no creo que se hubieran arriesgado.
Honestly, I don't think they would've risked it.
Los dos tipos que me robaron mi dinero fueron muy rápidos, intimidantes y profesionales, pero creo que no se hubieran arriesgado si hubiera estado con un amigo.
These two guys who stole my money were quick, intimidating, but I guess they would not have taken the risk if I had had my friend with me.
Palabra del día
poco profundo