Infections,smoking and using your voice too much, too loudly or just incorrectly can all cause hoarseness.

VOA: special.2009.09.02

What I mean is that this tool doesn't speak loudly; it whispers, and you have to lean forward to hear it.

我是说那种工具声音不会很大;,它是低语的，你不得不倾身细听。

耶鲁公开课 - 现代诗歌课程节选

And the movie is so sad that you can't stop from crying really loudly

这部电影太令人感伤了，你控制不住地哭出声来。

I can't help but 课堂 - SpeakingMax英语口语达人

He took off his mask and called loudly, "Beatrice! Come help me!"

VOA: special.2009.05.23

He urges the Obama administration to promote democracy more loudly and clearly.

VOA: standard.2010.05.19

"I think this will reverberate very loudly in the region, and you will see it perceived especially by our enemies, by the Taliban and al-Qaida, as an admission that America is losing its will and is not committed over the long term, and they will be able to convince their recruits to wait the U.S.out,"

VOA: standard.2009.12.06