ellos duelen

hurt, ache

→ doler
duel to hurt; to ache (to cause pain) + en 3rd-person plural present (indicative or subjunctive)
verb · third plural · present indicative Rare #42,633
hurt, ache Used for plural body parts or when referring to more than one person or thing that hurts.
SP: Me duelen los pies después de caminar todo el día.
EN: My feet hurt after walking all day.
Conjugation of doler
Indicative present
SingularPlural
Third duele duelen
Subjunctive present
SingularPlural
Third duele duelen

Porque te duelen los pies.

Because your feet hurt.

— París, je t'aime (2006)

A Yanni le duelen los pies.

Yanni's feet hurt.

A María le duelen los dedos de los pies.

María’s toes hurt.

A Tom le duelen los dientes.

Tom's teeth hurt.

No puedes tocar más porque te duelen los brazos.

You can't play anymore because your arms hurt.

— Victoria (2015)