Italian	English	Notes
Per favore / per piacere	Please	When you ask for something
Grazie / grazie mille	Thank you / thanks a lot	Mille = a thousand
Prego	You're welcome	Also “here you are”, “after you”, “come in”
Scusa / Scusi	Excuse me, sorry	Scusa to a friend, Scusi to someone you call Lei
Mi dispiace	I'm sorry	A real apology or sympathy
Salve	Hello	Neutral — a safe middle ground between ciao and buongiorno

Prego is the Swiss army knife of Italian manners: a waiter says it when you walk in, a shop assistant when handing you your change, a friend when holding the door.