He spoke loudly enough to hear clearly.

他讲话的声音足够大，可以听清楚。

youdao

If someone speaks out of turn, other students might not be able to hear the teacher clearly.

如果有人乱说话，其他学生可能听不清老师的话。

youdao

In order to make people hear you clearly, you should speak loudly.

为了让人们听得清楚，你说话应该大声点。

youdao

And while they were impressed with the 30 fps, 1, 280-by-1, 024 (interpolated, of course) video, they found that the audio quality from the built-in mic left a lot to be desired, having to crank up the volume in order to hear each other clearly, resulting in some nasty feedback.

ENGADGET: Microsoft LifeCam VX-6000 reviewed

Most of all, Jews all over the world hope to hear the German Benedict speak clearly, at the central site of Hitler's final solution, about the Holocaust and to make a stinging condemnation of anti-Semitism, which is reasserting itself in many European countries, especially Poland.

NPR: Pope's Tour of Poland Ends with Visit to Auschwitz

Then you have to shape it into a structure that people can hear clearly.

FORBES: The Two Secrets For Giving A TED Speech That Lasts