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知 しり抜 ぬかなければならない
shirinukanakereba naranai

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Godan Verb (ku)
, 
i-Adjective

Expresses obligation ("must do") of 知り抜く

1. Must know thoroughly.; Must understand completely.; Must master.

Obligation

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知り抜かなければならない

知り抜かなければならない【しりぬかなければならない】 Activity

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