suspects, distrusts
Quando a mulher mente ao marido, ele desconfia.
When a woman lies to her husband, he gets suspicious.
— A Vida Invisível (2019)
Acho que ele desconfia.
I think he suspects something.
— Moonrise Kingdom (2012)
Talvez esteja mais certo do que desconfia.
Perhaps he's more right than he suspects.
— Indiana Jones e a Última Cruzada (1989)
Claro que ele desconfia.
Of course he's suspicious.