create confusion by passing off the spurious as genuine; mix the spurious with the genuine; palm off falsehood as truth; pass fake imitations for genuine
? 他們散布種種流言蜚語(yǔ)，妄圖～，把水?dāng)嚋?。They are disseminating all kinds of stories and gossip in a vain effort to palm off falsehood as truth and create confusion.
以假亂真
palm off the sham as the genuine;mix the spurious with the genuine;create confusion by passing off the fake as the real thing;pass off fish eyes as pearls
以假亂真yǐ jiǎ luàn zhēn
亂：混淆。把假的東西同真的相混淆。mix the spurious with the genuine, mix the false with the true