French to English Je peu comprendre?

The phrase "Je peu comprendre?" in French is grammatically incorrect. However, it likely means:

"Can I understand?" or "Do I understand correctly?"

The correct way to say it in French would be:

* "Est-ce que je comprends?" (formal)

* "Je comprends bien?" (informal)

* "Je comprends ?" (informal, but could be interpreted as a question about the speaker's understanding)