While talking on the phone, keep conversation volume to a normal level.

打电话的时候，请把说话音量保持在一个正常的水准。

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Instead of talking on the phone while you fold laundry or clean the kitchen, sit down in a comfortable chair and turn your entire attention over to the conversation.

与其一边打电话一边折洗好的衣服或打扫厨房卫生，不如坐在一张舒服的椅子上，集中所有注意力来打电话。

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One of the most typical and frustrating is trying to talk to a manager who leaves her phone on and lets it interrupt the conversation when it rings.

最为我们熟知但同时也最郁闷的一个例子就是和你的经理谈话，尤其是她还把手机一直开着，有电话打进来也照接不误，而谈话只好中断。

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The witness said that he told Mr Kelly he would not do this and Mr Kelly had a conversation on the phone with a man called Colin.

BBC: Lynda Spence trial: Missing woman was 'sent text threat'

While the circumstantial evidence against Gupta is strong, there was no concrete evidence, a recorded conversation, that put Gupta on the phone with Raj Rajaratnam passing inside information.

FORBES: Rajat Gupta Case - It's All Circumstantial

Real World Advice: the uncontrollable giggling you hear during every pause in conversation is probably a strong indication that the person on the phone is not really the IRS Commissioner.

FORBES: IRS Issues Advice On How To Avoid Identity Theft