whiter than white
過分正直或道德高尚
口語·形容道德完美無缺
英文釋義
morally pure; completely innocent or blameless
例句
Politicians often claim to be whiter than white, but nobody believes them.
典故來源
源自白色象征純潔的道德隱喻,強調(diào)極端清白或道德無瑕。