卫生部门也必须参与这种日益增强的关注，大声清楚地表明其忧虑。

The health sector must add its voice - loud and clear - to the growing concern.

youdao

我们听到的只是大声啜泣，没有清楚的话语。

All we could hear were loud sobs, but no articulate words.

《牛津词典》

尽量大声说话，以便人们能清楚地理解你的意思。

Try to speak loud enough so that people can understand you clearly.

youdao

Shout out loud so the mike can hear you.

大声说,让大家都听清楚

耶鲁公开课 - 博弈论课程节选

Hmm, nice and loud please, Edward?

清楚大声些,爱德华

耶鲁公开课 - 聆听音乐课程节选