he doubts that

The journalist has just told the President he doubts that those figures are true.
El periodista acaba de decirle al presidente que duda que esas cifras sean reales.
Sam says he's going to ask his colleagues how to solve this, but he doubts that they know the answer.
Sam dice que les va a preguntar a sus colegas cómo resolver esto, pero duda de que sepan la respuesta.
He doubts that this trend is going to last, saying it's superficial.
Duda que esta tendencia vaya a durar, dice que es superficial.
Palabra del día
el inframundo