嘟囔

例句：

1. 1.He mumbled something about needing to go to the bathroom.
   他含糊其辞地提到了要去洗手间。
2. 2. She mumbled a few words before leaving the room.
   她离开房间前嘟囔了几句。
3. 3.The old man mumbled his way through the story, barely making sense.
   老人含糊其辞地讲述着故事，几乎听不清楚。