以假乱真 yǐjiǎluànzhēn to pass off a fake as genuine Origin Definitions Defs Strokes Stroke Words Sentences Sents 以 yǐ preposition by means of to use; by means of; with; using the tool or method introduced假 jiǎ adjective fake fake; false; artificial; phony; not real乱真 亂真 luànzhēn to pass off as genuine to be so similar to the real thing as to be indistinguishable; genuine-looking; spurious; deceptive