maʊθ noun
4
(you) watch your mouth
used to tell someone not to speak in such a rude way [口,非正式] 说话不要粗鲁 spoken informal
7
BOTTLE/CONTAINER
瓶子/容器
the open part at the top of a bottle or container 〔瓶子或容器的〕口,嘴
对这些父母来说,再生一个孩子就又多了一张吃饭的嘴。
12
down in the mouth
12. unhappy [非正式] 垂头丧气的,沮丧的 informal
13
out of the mouths of babes (and sucklings)
13. used humorously when a small child has just said something clever or interesting 竟然出自一个孩子之口〔幽默用法,表示一个小孩子刚说了一句机智或有趣的话〕