疑问代词
中文翻译：什么目的
同义词：
['why for', "why for it例句：1. I don't know what he wants to do next.（我不知道他接下来想做什么。）2. Why did you bring that book here?（你为什么把那本书带到这里来了？）"]
例句：
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1. I don't know what he wants to do next.
我不知道他接下来想做什么。
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2. Why did you bring that book here?
你为什么把那本书带到这里来了？
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3.What for are you doing in the garden?
你为什么在花园里做呢？