He hypocritically scolded others for wasting food while often throwing away his own leftovers.

hypocritically 是副词，由形容词 hypocritical 加副词后缀 -ly 构成。hypocritical 来自名词 hypocrisy（虚伪），hypocrisy 源自希腊语 hypokrisis（表演、假装）。这个词形容表面上道貌岸然，实际行为却与之相反的表现方式。