tiritar
tee-ree-tahr
to shiver
1. ¿Estás segura de que no quieres entrar de vuelta a la casa? Estás tiritando.
Are you sure you don't want to go back inside? You're shivering.
2. Era una noche helada, y el marinero en la cofa de vigía tiritaba de frío.
It was a freezing night, and the sailor in the crow's nest was shivering with cold.
