Je crains que cela ne fonctionne pas – “I'm afraid it won't work” in French | MotiTan Dictionary

Meaning

I'm afraid it won't work.

When to use it

Expresses concern that something will not succeed. It is a somewhat polite, understated way to urge caution.

Example dialogue

Tu as réussi à réparer le serveur ?

Did you manage to fix the server?

Je crains que cela ne fonctionne pas.

I'm afraid it won't work.