1. A table-manner "no-no" is chewing with your mouth open or speaking with food in your mouth. 餐桌礼仪中最应该注意的是不要张口咀嚼，或说话是口中还有食物。
2. Your position as secretary to the minister renders your authority great on the subject of political news; you never open your mouth but the stockbrokers immediately stenograph your words. 你这位部长秘书的地位使你在传播政治消息上很有权威，你一张口，那些证券投机商就立刻把你的话记录下来。
3. The primary method is mouth-to-mouth breathing, in which the rescuer breathes into the victim's mouth, with pauses to allow exhalation. 最基本的方法是口对口人工呼吸法：急救者将嘴紧贴在患者嘴上，然后往患者嘴里吹气，吹完，急救者即将自己的嘴移开，使患者得以呼气。
4. The mouth bar contacts with the frontal sand bar and acidic water can easily flow into mouth bar. The feldspar in sand bodies of mouth bar is dissolved and generates secondary pores. 河口坝与前缘砂坝接触，酸性水容易进入河口坝，河口坝砂体中的长石受酸性水溶蚀，形成次生孔隙。
5. Spraying your mouth with Gargarisma every day con remove unpleasant odor and keep mouth sanitary. Refreshing breath makes your smile sweeter. 每天用口洁素喷一喷，能去除口腔异味，保持口腔卫生、口气清新，让您笑口常开。
网络释义
Chewing With Your Mouth Open 吃东西时嘴巴不闭拢;
张开嘴咀嚼食物;
吃东西时嘴巴不闭隆;
from mouth to mouth 广泛流传;
口口相传;
广为流传;
广泛流传 / 口口相传;
