常じょう識しきを覆くつがえす

expression, godan verb (-su)

defy conventional wisdom; overturn common sense

Used when an idea, action, or result goes against what is generally accepted as obvious or correct. Often carries a nuance of surprise or innovation.

• 彼かれの提てい案あんは常じょう識しきを覆くつがえすものだった。

  His proposal defied conventional wisdom.

• この研けん究きゅう結けっ果かは業ぎょう界かいの常じょう識しきを覆くつがえした。

  This research finding overturned the industry's common sense.