| 词汇 | what/where/how/why the devil |
| 释义 | what/where/how/why the devil idiom old-fashioned informal （用于强调问题）到底，究竟 used to give emphasis to a question What the devil are you doing? 你到底在干什么？ Where the devil have you been? 你究竟去了哪里？ |
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