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to shake off
彼は眠気を振り払って会議に臨んだ。
He shook off his drowsiness and went into the meeting.
強い不安を振り払った後で、彼は前を向いて歩き出した。
After shaking off his deep anxiety, he began walking forward.
過去を振り払う勇気が必要だ。
You need the courage to shake off the past.