El desempleo alcanzó niveles sin precedentes, pero es dudoso que el gobierno vaya a hacer nada al respecto.Unemployment has reached unprecedented levels, but it's doubtful that the government will do anything about it.
El accidente le dejó dañada la espina dorsal, y es dudoso que pueda volver a caminar.The accident damaged his spine, and it's doubtful he'll be able to walk again.