嘴巴张起来读英文怎么说

"嘴巴张起来读英语" 的英文表达方式有几种：

Speak with your mouth open
Read out loud with your mouth open

这两种表达方式均表示在嘴巴张开的状态下大声朗读英语。

下面是一些英文例句及其中文翻译：

"Please speak with your mouth open so that I can see how you form the sounds." (请张开嘴巴大声朗读，这样我就能看到你是如何构成这些音素的。)
"It's important to read out loud with your mouth open to help improve your pronunciation." (大声朗读时张开嘴巴对提升发音很有帮助。)