Trentatré Trentini entrarono a Trento, tutti e trentatré, trotterellando.

Questo scioglilingua significa: Thirty-three people from Trento, an Italian city, went to Trento, all thirty-three trotting.

Listen to this Italian guy who is repeating the tongue-twister

https://www.youtube.com/watch?v=3LQjk14DKdo

Scommetto che gli americani avranno difficoltà :)
I bet that Americans will have difficulties