French phrase
Le Wi-Fi est lent sur ~.
Meaning
The Wi-Fi is slow on ___.
When to use it
Reports that Wi-Fi is slow on a specific network. Often used for workplace or shared connections as a mild complaint.
Example dialogue
Le Wi-Fi est lent sur le réseau du bureau.
The Wi-Fi is slow on the office network.
Tu es connecté au bon réseau ?
Are you connected to the right network?