started talking, began speaking
少ししてパパは犬の事を話し始めた
A little while later, Dad started talking about the dog.
— 落下の解剖学 (2023)
彼はますます雄弁に話し始めた。
He began to speak more and more eloquently.
彼女はその犬に話し始めた。
She began talking to the dog.
トムは電話を取り、話し始めた。
Tom picked up the phone and started talking.