go through with it

I told you I was not gonna go through with it, did I not?

Je t'avais bien dit que je n'allais pas le faire, non ?

— Mother Night (1996)

I swear on my life that I'll go through with it.

Je jure sur ma vie que j’irai jusqu’au bout.

— Oldboy (2003)

Just let's go through with it.

Allons-y, faisons-le.

— Queen (2014)

I just couldn't go through with it.

Je n’ai tout simplement pas pu aller jusqu’au bout.

I couldn't go through with it.

Je n’ai pas réussi à aller jusqu’au bout.

— Moulin Rouge! (2001)

I have to go through with it.

Je dois aller jusqu'au bout.

— The Baader Meinhof Complex (2008)

Gotta go through with it.

Il faut aller jusqu'au bout.

— Assassination (2015)

Then why go through with it?

Alors pourquoi aller jusqu'au bout ?

— Field of Dreams (1989)