You're abroad: a different language, a new culture and altogether different customs. You've been gathering up courage, repeating the appropriate local phrase over and over again in your head.
This is what traveling is all about. You make eye contact with the waiter and let that silver tongue loose. You're a cosmopolitan now.
Suddenly, the momentary pride you feel is replaced with a sinking sense of horror as the curveball arrives. Your prepared statement is returned back to you in the form of some unintelligible question.