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どうしたの

1. what's the matter?, what's wrong? 2. what happened (to) ...?, what have you done (with) ...?, where is ...?

tbd

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彼， かれ

1. he, him 2. boyfriend

他

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は

1. indicates sentence topic 2. indicates contrast with another option (stated or unstated) 3. adds emphasis

指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调

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