started, flinched
Mon cœur a tressailli.
My heart leaped.
Il n'a pas tressailli.
He didn't flinch.
— The Man From Nowhere (2010)
J'ai tressailli de joie, en sachant ton nom.
I thrilled with joy when I learned your name.
— Rashōmon (1950)
Il a tressailli.
He flinched.
J'ai tressailli.
I flinched.
Il n'a pas tressailli quand j'ai tiré.
He didn't flinch when I fired.