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研 とぎ澄 すまさなければならない
togisumasanakereba naranai

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Godan Verb (su)
, 
i-Adjective

Expresses obligation ("must do") of 研ぎ澄ます

1. Must sharpen; Must refine; Must hone; Must prepare

Obligation

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研ぎ澄まさなければならない

研ぎ澄まさなければならない【とぎすまさなければならない】 Activity

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