would hold, would keep, would fit
Pourquoi son humble concubine tiendrait-elle à la vie ?
Why would his humble concubine value her life?
— Adieu ma concubine (1993)
J'ai considéré comme acquis qu'il tiendrait sa parole.
I took it for granted that he would keep his word.
Je pensais qu'il tiendrait sa promesse.
I thought he would keep his promise.
Comment savoir si le type tiendrait parole ?
How can we know if the guy will keep his word?
— Blow Out (1981)