It is bad manners to talk with your mouth full.

　　嘴里塞滿了東西跟人說話是不禮貌的。

　　Her mouth felt as dry as a bone.

　　她感到口干舌燥。

　　Don't talk with your mouth full.

　　不要一邊吃一邊說話。

　　She opened her mouth to say something.

　　她張開嘴要說什么。