"Overwhelmed" is an English equivalent of the Italian word travolta. The feminine singular adjective/past participle also translates into English as "crushed," "devastated," or "swarmed" according to context. The pronunciation will be "tra-VOL-ta" in Italian.
Uno alla volta in Italian means "one at a time" in English.
Penso a te di volta in volta in Italian means "I think of you from time to time" in English.
"One time" in English is una volta in Italian.
"The last time" in English is l'ultima volta in Italian.
la prossima volta
la seconda volta
C'era una volta
Once again it will start.
"Little by little" in English is Un po' alla volta, Gradualmente or Passo dopo passo in Italian.
Quando vieni in Inghilterra la prossima volta?
L'ultima volta che tu fossi qui
"This time" is an English equivalent of the Italian phrase questa volta. The feminine singular adjective and noun also translate into English as "this direction (moment, turn, turning)" or "this counter (vault)" according to context. The pronunciation will be "KWEY-sta VOL-ta" in Italian.