中英成语俚语800对191：黑白分明
黑白分明
as plain as the nose on one's face.
the fairer the paper, the fouler the blot.
in sharp contrast.
eg：the fact is as plain as the nose on one' s face, no more arguement necessary.
中英俚语俗语来源：春秋繁露：“黑白分明，然后民知所去就。”