1、嘴巴的英文是mouth，音标英 [maʊθ]、美 [maʊθ]。

2、她最让人讨厌的习惯就是张着嘴吃东西。Her most annoying habit was eating with her mouth open。

3、他恐惧地盯着我，嘴在抽搐着。He stared at me in horror, his mouth working。

4、等他们最终住了嘴，我又重新开始讲。When theyd finally shut up, I started again。