1. Tudo bem?
“How’s it going?” (lit. “Everything good?”)
A super-common informal greeting. The correct response is also “tudo bem”.
2. Oí, árbitro! Cadê o penalty?
“Hey, ref! Where’s the penalty?”
A useful phrase to know when traveling to any football-loving country. Shout as needed at the television, radio, or, when possible, the referee himself.