as a sign of
Il leva son chapeau en signe de respect.
He raised his hat in respect.
Il donna un pourboire en signe de gratitude.
He tipped as a token of gratitude.
Je t'offre cette arme en signe de notre amitié.
I offer you this weapon as a token of our friendship.
— Heureux comme Lazzaro (2018)
Elle a attaché un ruban rouge au parapluie en signe de reconnaissance.
She tied a red ribbon to the umbrella as a sign of appreciation.
Je les mange, mais en signe de protestation.
I eat them, but as a sign of protest.
— Pinocchio (2019)