casse-cou, personne téméraire
You are such a daredevil.
Tu es vraiment un casse-cou.
— The Irony of Fate, or Enjoy Your Bath! (1976)
You're a daredevil.
Tu es un casse-cou.
— The Legacy of the Siren (2012)
He is a daredevil.
C'est un casse-cou.
Now she came to Moscow and this daredevil followed her.
Elle est alors venue à Moscou, et ce casse-cou l’a suivie.
— War and Peace (1968)