si je l'avais su

if I had known

→ si

phrase Rare #42,269

if I had known Used to express regret or a hypothetical past situation. Literally, “if I had known it”; the pronoun l’ refers to a fact or situation understood from context.

FR: Si je l'avais su, je serais venu plus tôt.

EN: If I had known, I would have come earlier.

Si je l'avais su, je vous l'aurais dit.

If I had known, I would have told you.

Si je l'avais su, aurais-je commis tout ceci ?

If I had known, would I have done all this?

— Assassination (2015)

J'aurais été moins seul si je l'avais su avant.

I would have felt less alone if I had known sooner.

— Crazy Kung‐Fu (2004)

Si je l'avais su, je ne lui aurais jamais dit de telles choses.

If I had known, I would never have said such things to him/her.

Si je l'avais su, je te l'aurais dit.

If I had known, I would have told you.