动词短语
中文翻译：原因是什么
同义词：
["what's the reason for...?例句：1. I don't understand why you are so angry with me.（我不明白你为什么对我这么生气。）"]
例句：
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1. I don't understand why you are so angry with me.
我不明白你为什么对我这么生气。
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2.The teacher asked us to explain the reason behind our actions.
老师要求我们解释行为背后的原因。
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3. The reason for their success was their dedication and hard work.
他们成功的原因是他们的奉献和努力。