French phrase
Je ne peux pas l'atteindre.
Meaning
I can't reach it.
When to use it
States that an object is out of reach. It is a brief, neutral reply about physical reach.
Example dialogue
Tu peux prendre mon livre sur l'étagère ?
Can you get my book from the shelf?
Non, je ne peux pas l'atteindre.
No, I can't reach it.