you would do it
S'il te demandait de sauter d'un pont, tu le ferais ?
If he asked you to jump off a bridge, would you do it?
You said you would.
Would you do it?
Donc tu le ferais, si je te demandais de sauter d'une falaise.
So you would do it if I asked you to jump off a cliff.
— Interstellar (2014)
Je croyais que tu avais dit que tu le ferais à coup sûr.
I thought you said you would definitely do it.
Je ne pensais pas que tu le ferais.
I didn't think you would.