es incapaz de

Un bebé es incapaz de cuidar de sí mismo.

A baby is incapable of taking care of itself.

Él es incapaz de hacerlo.

He is incapable of doing it.

Ella es incapaz de engañar.

She is incapable of deceiving.

Ese chico es incapaz de prepararse un huevo.

That boy is incapable of preparing an egg for himself.

— Taxi Express (1998)

Tom es incapaz de hacer eso.

Tom is incapable of doing that.

Parece obvio que él es incapaz de nadar.

It seems obvious that he is unable to swim.

Él es incapaz de comprar un coche.

He is unable to buy a car.

Sólo un idiota como tú es incapaz de verlo.

Only an idiot like you is incapable of seeing it.

— El regreso (2003)

Él es incapaz de hacer eso.

He is incapable of doing that.

Todo aquel que es incapaz de aprender se ha dado a enseñar.

Anyone who is incapable of learning has taken to teaching.