~ちゃいかん (must not, rough)
grammar1 sentence
A rougher/masculine variant of ~ちゃいけない ('must not X'), contracted from ~てはいかん. Used in blunt, masculine speech.
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1 sentence
A rougher/masculine variant of ~ちゃいけない ('must not X'), contracted from ~てはいかん. Used in blunt, masculine speech.