parbleu

good grief, by golly

p a ʁ . b l ø
interjection Rare #51,447
good grief, by golly An old-fashioned, emphatic exclamation; often used to express surprise or to add force.
FR: Parbleu, tu as vraiment réussi !
EN: Good grief, you really did it!

Parbleu !

Good heavens!

Le correspondant de l'Écho de France, parbleu, ce Salvator !

The Echo de France correspondent—by golly, that Salvator!

Parbleu, Sam Gamegie !

Good heavens, Sam Gamgee!

— Le Seigneur des anneaux : La Communauté de l'anneau (2001)

Évidemment, parbleu, mais encore fallait-il y penser.

Of course, by golly—but you had to think of it first.