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to overturn; to capsize; to upset
to overthrow (government etc.)
to reverse (decision etc.); to disprove (an established theory etc.); to overrule
それは常識を覆す画期的な発見でした。
It was a discovery that overturned common sense.
一度下された判決を覆すのは難しい。
It's difficult to overturn a verdict once given.
新証拠の発見が有罪判決を覆しました。
New evidence overturned the guilty verdict.