“为什么”怎么读

“为什么”的英语可以翻译为：why，why is it that，how is it that，forwhy，whereto ...

不知为什么他讲这些故事时一点都不害怕。Somehow he tells these stories without a note of horror.我真的不明白为什么要改变它。I really don't see any reason for changing it.你真自以为是。我们为什么要费那么大的力气？You flatter yourself. Why would we go to such ludicrous len...