French phrase
Tu n'en as pas autant que ~.
Meaning
You don't have as many as ___.
When to use it
Shows that someone has fewer items than another person. Common in casual comparisons of possessions.
Example dialogue
Zoé a neuf autocollants. Moi, j'en ai six. Et toi ?
Zoé has nine stickers. I have six. And you?
J'en ai huit. Tu n'en as pas autant que Zoé.
I have eight. You don't have as many as Zoé.