It's hypocritical of her to criticize others for wasting food while she throws away a whole plate herself.

hypocritical 是由名词 hypocrisy（虚伪）加上形容词后缀 -ical 构成的形容词形式。hypocrisy 源自希腊语 hypokrisis（表演、伪装），指"言行不一、假装有美德"的行为。hypocritical 形容人或行为"虚伪的、伪善的"，特指表面一套背后一套的双标行为。