唇舌

例句：

1. 1. She licked her lips nervously before speaking.
   她紧张地舔了舔嘴唇才说话。
2. 2. The doctor advised him to keep his mouth closed while he was talking.
   医生建议他谈话时保持嘴巴闭合。
3. 3. The chef used a special technique to make the dish more flavorful.
   厨师用了一种特别的技术使这道菜更加美味。