YOU SAID:

why doesn't this do anything interesting

INTO JAPANESE

なぜ何か面白いものをしないこの

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Why not do something this

INTO JAPANESE

何かにこれを行う理由は

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Why do something do this

INTO JAPANESE

なぜこれを行う

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Why do this

INTO JAPANESE

なぜこれを行うのですか？

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Why do you do this?

INTO JAPANESE

いま何故そう言う事を

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Why do you do this?