French phrase
Je ne suis pas en mesure de ~.
Meaning
I am not in a position to ___.
When to use it
The speaker lacks the authority to act. This formal phrasing is used when approval or confirmation is needed.
Example dialogue
Je ne suis pas en mesure de confirmer cette information.
I am not in a position to confirm this information.
D'accord, merci.
All right, thank you.