French phrase
Je crains que ~.
Meaning
I'm afraid that ___.
When to use it
Expresses concern about a possible unwelcome outcome. It is polite and restrained, often used in formal settings.
Example dialogue
Le budget prévu suffit-il pour tout le projet ?
Will the planned budget be enough for the entire project?
Je crains que le budget ne suffise pas.
I'm afraid that the budget will not be enough.