hide, conceal, mask
No podemos disimular ni el amor ni la tos.
We can hide neither love nor a cough.
No puedes disimular tus ojos tristes.
You can't hide your sad eyes.
Tom no es muy bueno para disimular sus sentimientos.
Tom isn't very good at hiding his feelings.
Tom fue incapaz de disimular su sorpresa.
Tom was unable to hide his surprise.
Tom trató de disimular su escritura.
Tom tried to disguise his handwriting.