Tā de yìshù fēnggé líjīng-pàndào, bù bèi dāngshí de zhǔliú jiēshòu.
His artistic style defied convention and was not accepted by the mainstream of his time.
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history
经 refers to the Confucian classics; 道 to the proper moral way. 离经叛道 originally meant abandoning Confucian teachings - a serious accusation. Today it's used more broadly (and sometimes admiringly) for nonconformity.
