Translation of "Chews" in Italian

He chews tobacco.

Mastica tabacco.

Tom chews on his fingernails.

Tom si mangia le unghie.

Tom sometimes chews with his mouth open.

Tom a volte mastica a bocca aperta.

My sense is this will be fantastic, right because my daughter chews through

"Qualcosa mi dice che sarà fantastico, proprio perchè ogni mese mia figlia consuma