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We felt puzzled. What on earth did they want to do?
我们都感到纳闷儿，他们到底想干什么？
《新英汉大辞典》
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They listened raptly, but several did not disguise how puzzled they felt.
学生们认真地在听，但是有几个人并没有掩饰他们感到多么迷惑。
youdao
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They listened raptly, but several did not disguise how puzzled they felt.
学生们认真地在听，但是有几个人并没有掩饰他们感到多么迷惑。
youdao