Translation of "Sounding" in Chinese

We want natural-sounding translations, not word-for-word direct translations.

我们想要听起来自然的翻译，而不需要逐字的翻译。

Don't change sentences that are correct. You can, instead, submit natural-sounding alternative translations.

请勿更改没有错误的句子。请添加一个新的更自然的翻译。

It is because light travels faster than sound that some people look brilliant before sounding stupid.

光速比音速快，所以有些人乍看之下很聪明，等到听到他们开口说话，愚笨的本性才表露无遗。