词典释义：
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I really don't know what you're talking about, but okay.
我真的不知道你在说什么，但没关系。
《Friends Season 8》《老友记 第八季》
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Hello, Mrs. Latham. Yes, I live with him. I don't... I really don't know why.
你好，莱森太太，是的，我跟他住在一起，我不，我也不知道为什么。
《The Big Bang Theory Season 4》《生活大爆炸 第四季》
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Any idea where she is? No. Because it's important that we find her. I really don't know. That's the truth.
知道她在哪吗？不知道，我们一定得找到她，我真不知道，真的。
《House of Cards Season 3》《纸牌屋 第三季》
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A lot of toes were stepped on in order to set this up for today. And frankly, I really don't know what you gentlemen plan to gain by it.
为了设置好今天的这套演示设备，可是折腾了不少人，坦白说，我真不明白你们两位想达到什么目的。
《Sully》《萨利机长》
双语例句
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Piqué : I really don't know.
皮克：我真的不知道。
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I really don't know how to abreact .
我真不知道如何去发泄。
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I really don't know about the streak.
我真的不知道情况。
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I really don't know how to thanks you.
我真不知道该怎样感谢你。
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I really don't know what to begin with.
我真不知道从什么(地方)开始。
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I really don't know who is to apologise.
我的确不知道谁应该道歉。
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Kay: I really don't know, but he wants to.
凯：我真的不知道，但他想去。
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I really don't know which argument is right.
我真的不知道争吵的哪一方是正确的。
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"I really don't know, " he replied anxiously.
“我真的不知道”，他不安地回答。
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I'm sorry , I really don't know how to mend the clock.
对不起，我真的不知道怎么修理这个钟。