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1·Don't you know it's rude to whisper?

难道你不知道窃窃私语是不礼貌的吗？《牛津词典》

2·'Don't you know who I am?' she stormed.

“你不知道我是谁吗？”她怒喝道。《牛津词典》

3·Don't you know passengers mustn't smoke on high-speed trains?

你不知道乘客不能在高铁上吸烟吗？

4·Don't you know? She has been in a town school there as a volunteer teacher for over 2 years.

难道你不知道吗？她在当地的一所城镇学校支教了两年多。

5·—Mike, can you tell me the meaning of the letters KIT? —Don't you know that? They stand for keep in touch.

——迈克，你能告诉我字母“KIT”的意思吗？ ——你不知道吗？它们代表着“保持联系”。

6·Don't you know where he is?

你们不知道他在哪儿吗？

7·Papa, don't you know me any more?

爸爸，你不认得我了吗？

8·Don't you know what good luck is mine?

你不知道我有多幸运吗？

9·We'd drop down dead—don't you know that?

我们会倒地而死——你不知道吗？

10·Don't you know that?

你难道不知道吗？