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investigation (e.g. into someone's guilt); questioning; pressing; hounding; pinning down
catching up; overtaking
野党は政府の責任を厳しく追及した。
The opposition party harshly questioned the government's responsibility.
野党議員が政府の責任を厳しく追及します。
I questioned responsibility.
記者会見で厳しく追及されて、首相は謝罪した。
I was pressed hard.