跡を濁す あとをにごす Also written 後を濁す Meanings Expression, Godan verb to leave a bad impression behind See also: 立つ鳥跡を濁さず (たつとりあとをにごさず). Kanji 跡 trace. Read as あと. 濁 murky. Read as にごす. Jinuma: Japanese Dictionary · Word lists