trembler, frissonner
She was shivering with cold.
Elle tremblait de froid.
The poor boys were shivering with fear.
Les pauvres garçons tremblaient de peur.
I'm shivering with cold.
Je grelotte de froid.
I'm shivering.
Je grelotte.
— The Wages of Fear (1953)
He's shivering because of the cold.
Il tremble de froid.
You're shivering.
Tu grelottes.
I started shivering.
Je me suis mis(e) à trembler.