Please speak aloud so everyone can hear you.

请大声地说话，这样每个人都能听到你。

To speak aloud is not allowed…

大声讲话是不允许的。

Let's speak aloud for Fashion!

让我们为时尚大声朗读起来！

None of one can't speak aloud here.

在这里没人可以大声喧哗。

She is obviously very clever but she hates to speak aloud in class.

她很聪明，这点毫无疑问。但她在班级一直不肯适时说出自己的想法。