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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In gentle tones, the minister of education advised me on how to talk with the smallest ones about what recently befell us.

教育部长以温柔的语气建议我如何对最小的孩子讲述最近发生在我们身上的惨剧。

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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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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.

WSJ: Joba Chamberlain Bounces Back

"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.

CNN: Analyst: Post-Kennedy health care bill may be more sweeping