您要查找的是不是：
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Must you dash off? Why not stay for a cup of tea? 你一定要急急忙忙走吗？为何不留下喝杯茶呢？
- Is that why you don't want to go home? 这就是你不想回家的原因吗？
- That explains why she is not here. 那就说明了她不在这里的原因。
- It seems uncertain why he lost the election. 他落选的原因似乎并不清楚。
- Do you know why Mr Brown has a heavy heart? 你知道为什么布朗先生心情不愉快吗？
- I do not know why acids eat in metals. 我不知道酸腐蚀金属的原因。
- I have no idea why he resigned his post. 我不知道他为何辞去他的职务。
- He expounded the reasons why he did it. 他阐述了他做这件事的理由。
- The reasons why he did it are obscure. 他做那事的理由还不清楚。
- I couldn't cipher out why she was there. 我搞不清她为什么会在那儿。
- I don't know why she is hostile to me. 我不知道她为什么对我抱有敌意。
- Why is it that we should be afraid of him? 我们为什么要怕他呢？
- Do you know why she is so strange to him? 你知道她为什么对他如此冷淡吗？
- I can't figure out why he quit his job. 我琢磨不透他为什么要辞掉工作。
- I can't understand why your plan fell through. 我不懂你的计划为什么竟会失败。
- I gather she's ill, and that's why she hasn't come. 我想她是病了，所以没有来。
- I want to know why Tom answers a letter for me. 我想知道为什么汤姆没有给我回信。
- She explained to me why he stud French. 她向我解释他学习法语的原因。
- She was quite explicit about why she left. 她对自己离去的原因直言不讳。
