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reckless remark; rash remark; thoughtless words; falsehood
根拠のない妄言を繰り返すのはやめろ。
Stop repeating groundless reckless remarks.
彼の発言は妄言として退けられた。
His statement was dismissed as a reckless remark.
歴史を歪める妄言は厳しく批判された。
Reckless remarks that distort history were severely criticized.