真偽莫辨 [ㄓㄣ ㄨㄟˋ ㄇㄛˋ ㄅㄧㄢˋ; zhen1 wei4 mo4 bian4] can't judge true or false (idiom); unable to distinguish the genuine from the fake not to know whether to believe (what one reads in the news) ◄ ►
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