a detta di
Parola del giorno | Word of the day
Today's Parola del Giorno is the prepositional phrase a detta di, which means according to.
See the prepositional phrase used below:
A detta di Giorgio il suo insegnante d'inglese non è così preparato come sembra.
According to Giorgio, his English teacher is not as prepared as he seems.
You can also use the possessive adjectives with a detta, as well:
A detta sua il suo insegnate d’inglese non non è così preparato come sembra.
According to him,1 his English teacher is not as prepared as he seems.
1
Whether it is “him” or “her” depends on the context and the person in question. In this case, we are referring to Giorgio from the first example.

