good heavens
Good heavens!
Tu m'avais juré tes grands dieux, je t'ai cru.
You swore to me, solemnly, that you did—I believed you.
— Stalker (1979)
Grands dieux, j'ai cru vous avoir tous perdus.
Good heavens, I thought I had lost you all.
— Le Chant de la mer (2014)
Good heavens, no.