This is the 227th most frequent Italian word.
dietro
"Behind" or "at the back."
In this sentence, 'dietro' is used as a preposition to indicate spatial location ('behind').
La chiave è dietro al vaso.
The key is behind the vase.
Here, 'dietro' acts as a preposition indicating the location ('behind') in a context of concealment.
Ci hai nascosto qualcosa dietro quella porta?
Did you hide something behind that door?
In this example, 'dietro' is used as an adverb, followed by 'di' to connect to the pronoun 'te', forming a phrase that means 'behind you'.