Translation of "Quejado" in English

¿Te has quejado alguna vez con el gerente?

Have you ever complained to the manager?

Tom no se ha quejado de alguna incomodidad.

Tom hasn't complained of any discomfort.

No puedo contar el número de veces que Tom se ha quejado de eso.

I can't count the number of times Tom has complained about that.

Asumo que estamos haciendo un buen trabajo teniendo en cuenta que nadie se ha quejado.

- I assume we're doing a pretty good job since no one has complained.
- I assume that we're doing a pretty good job since no one has complained.
- I assume that we're doing a pretty good job since nobody has complained.
- I assume we're doing a pretty good job since nobody has complained.

Ningún estudiante se ha quejado jamás de dolores en el lóbulo frontal en el lado izquierdo del cerebro.

No student has ever complained of pains in the front lobe of the left side of the brain.