crazy
The Italian word 'pazzo' is the equivalent of the English word 'crazy'. It can be used to describe someone who behaves in an unpredictable or irrational manner. For example, 'Quel ragazzo è pazzo!' translates to 'That boy is crazy!' in English.
Are you crazy?
This is a question directed at someone, asking if they are crazy. It can be used in a variety of contexts, such as questioning someone's actions or decisions.
Mario is crazy about pizza.
This is a basic sentence in Italian used to express that someone, in this case Mario, is extremely fond of something, in this case pizza.
Don't play the fool.
The phrase is an admonishment or warning, advising someone not to act foolishly or recklessly. In this context, 'pazzo' is used to refer metaphorically to someone who acts without thinking.