She had quite an attitude when she was in her teens, but she has mellowed out now.「彼女は十代の頃はすごく生意気だったが、今では穏やかになった」が正解。mellow outで「気分が落ち着く」です。/bellow out [forth]で「うなり出す、怒鳴るように叫ぶ」です。
She had quite an attitude when she was in her teens, but she has mellowed out now.「彼女は十代の頃はすごく生意気だったが、今では穏やかになった」が正解。mellow outで「気分が落ち着く」です。/bellow out [forth]で「うなり出す、怒鳴るように叫ぶ」です。