it's going to work
Of course it will work.
Ça va marcher, mais ça ne sera pas joli.
It will work, but it won't be pretty.
I think it will work.
Tu penses vraiment que ça va marcher ?
Do you really think that's going to work?
Do you think it will work?
Sûr que ça va marcher, fais-moi confiance.
I'm sure it will work, trust me.
Je ne suis toujours pas convaincu que ça va marcher.
I'm still not convinced it's going to work.
Qu'est-ce qui te fait penser que ça va marcher ?
What makes you think it’s going to work?
Do you think it will work?