Today’s Parola del giorno is the expression per volta, which means at a time. Sometimes you see this also used in the expression una cosa alla/per volta, which means one thing at a time.
I thought of this expression when I saw this on Facebook earlier today! Can you decipher the joke?
In the interests of full disclosure, I saw this on Facebook; you can view the original here: https://www.facebook.com/photo/?fbid=10223001078348392&set=a.1234845904257