今是昨非 jīnshìzuófēi to turn over a new leaf Origin Definitions Defs Strokes Stroke Words Sentences Sents 今 jīn noun the present (bound form) now; the present; this (day, year, etc.)是 shì verb correct right; true; just; often used in contrast with 非 fēi昨 zuó noun past (literary) the past; previous times非 fēi wrong mistake; error; a wrong or evil deed; incorrect as opposed to 是 shì