The writer made a survey and carried out an experiment about tones learning on 22 Korean students' of medium level Chinese.

本文通过对22位中级汉语水平韩国学生声调偏误的调查、测试，找出了他们在学习汉语声调的过程中出现的规律性偏误。

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By the end of the first semester, I was still terribly confused about the four tones of spoken Chinese, and the voices from the tape were simply a din.

第一学期末，我还是对中文四声的发音摸不着头脑，磁带里中文对话从头到尾都是哇啦哇啦。

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They conversed in low tones and moved about restlessly, seeming uncertain as to what was expected of them.

他们低声交谈着，惶惶不安地四处走动，仿佛不明白要他们来做什么事儿似的。

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He confides to in hushed tones about the space rock, the inevitable asteroid that will hit the earth someday and obliterate life as we know it.

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At the time, members of the Yankee hierarchy spoke in hushed tones about their hopes that Chamberlain could return to live a normal life, deflecting questions about his pitching future.

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"My hope is that this will cause people to take a breath, and step back and start talking to each other again in civil tones about what needs to be done, " Democratic Sen.

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