болеть

1) (быть больным) to be ill (with); разг. to be down (with); (быть больным долго, часто) to be ailing; to be in poor health; to suffer (from)

он болеет астмой с детства — he has been ailing from asthma since he was a child;

он болеет пневмонией — he is ill with pneumonia, he is down with pneumonia;

он болеет с детства — he has been ailing since childhood;

он всегда болеет — he is always ailing

2) (о боли) to ache, to hurt

у него болит голова — his head aches, he has a headache;

у него болит горло — he has a sore throat;

у него болит нога — his foot hurts, he has pain in his foot;

у него болят глаза — he has sore eyes, his eyes hurt;

что у Вас болит? — what's your trouble?