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without authority
without reason; unnecessarily
recklessly; indiscriminately; arbitrarily
妄りに決定を下してはいけません。
You must not make decisions without authority.
濫りに規則を破ると罰を受けます。
You will be punished for breaking the rules without authority.
個人情報を妄りに公開してはならない。
You must not carelessly disclose personal information.