his word

He did not keep his word.

Il n’a pas tenu parole.

He's a man of his word.

C'est un homme de parole.

You'll never trust his word after?

Après ça, tu ne croiras plus jamais ce qu’il dit ?

— Henry V (1989)

If I live to see it, I'll never trust his word after.

Si je vis assez longtemps pour voir ça, je ne croirai plus jamais ce qu’il dira ensuite.

— Henry V (1989)

He is a man of his word.

C'est un homme de parole.

I had no other choice but to take him at his word.

Je n’ai eu d’autre choix que de le croire sur parole.

And his word will be the final one.

Et c’est lui qui aura le dernier mot.

— Gangs of Wasseypur - Part 1 (2012)

It's hard to believe, but he's true to his word.

C’est difficile à croire, mais il tient parole.

— The Tale of The Princess Kaguya (2013)

You must not rely on his word.

Vous ne devez pas vous fier à sa parole.

I'm sure he'll be as good as his word.

Je suis sûr qu’il tiendra parole.