離經(jīng)叛道（離經(jīng)叛道）　

◎ 離經(jīng)叛道 líjīng-pàndào

[depart from the classics and rebel against orthodoxy; be guilty of heterodoxy; be heretical and deviate from the true teachings] 背離正道;違反正統(tǒng)的經(jīng)典道德規(guī)范

且本官志大言浮,離經(jīng)叛道。——《元曲選外編·貶黃州》