mouth

Don't talk with your mouth full of food, it is impolite.

(Chinese) 嘴里塞满食物时不要说话，这很不礼貌。

The dentist asked the patient to open their mouth wide.

(Chinese) 牙医要求病人张大嘴巴。

He mouthed the answers to her from across the room.

(Chinese) 他在房间另一头用口型把答案告诉了她。

She mouthed 'thank you' as the performance ended.

(Chinese) 演出结束时，她用口型说了声“谢谢”。