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unfair practices; wrongdoing; malpractice; cheating; foul play
彼は試験で不正行為を働いた。
He committed wrongdoing during the exam.
企業の不正行為が明るみに出た。
The company's wrongdoing came to light.
委員会は不正行為を行った学生に処分を下した。
The committee imposed a penalty on the student who committed misconduct.