Μετάφραση - Πορτογαλικά Βραζιλίας-Αγγλικά - O cara que acha que sabe tudo não vai a lugar...

Hello,

I would really appreciate if you could help me translate this sentence. Furthermore I am not certain all of the correct grammatic symbols are present in the text, so feel free to add any of them to the original text if necessary.

Kind regards, and thanks!