
Have one's say
Put in one's two cents / Speak one's piece / Have a say in the matter

Dire la propria 
Put in one's two cents / Speak one's piece / Have a say in the matter

Dire la propria 
Meanings
To have the right to speak one's opinion
Examples
May I put in my two cents on this subject? I think I can help
Posso dire la mia su questo argomento? Penso di potervi aiutare
He was making all the decisions for me and I couldn't even have a say. That's when I said: enough!
Prendeva tutte le decisioni per me e io non potevo nemmeno dire la mia; a questo punto ho detto basta!
Mariella's so-called friends regularly criticize her for her life choices, but, if I may have my say, I think they should mind their own business
Le cosiddette amiche di Mariella la criticano in continuazione per le
sue scelte di vita, ma, se posso dire la mia, penso che dovrebbero solo
farsi gli affari loro
Listen to me carefully, without interrupting or arguing. Listen until I'm done, then you can speak your piece
Ascoltami bene, senza interrompermi e senza discutere. Ascolta finché non ho finito, poi potrai dire la tua