fair and square
公正地,光明正大地
口語·強調行為公正無欺
英文釋義
fair and honest; in a just and equitable manner
例句
He won the game fair and square, without any cheating.
典故來源
源于16世紀,'fair'表示公正,'square'表示正直,兩者疊加強調完全誠實公正。