以假乱真 (yǐ jiǎ) — to pass off fake as genuine; to confuse the fake with the real

Definition

Examples

• 这幅画的仿制水平很高，几乎可以以假乱真。
  Zhè fú huà de fǎng zhì shuǐ píng hěn gāo, jī hū kě yǐ yǐ jiǎ.
  The imitation of this painting is so skillful that it can almost pass as the original.
• 他用假币以假乱真，结果被警察抓住了。
  Tā yòng jiǎ bì yǐ jiǎ, jié guǒ bèi jǐng chá zhuā zhù le.
  He tried to pass off counterfeit money as real, and ended up getting caught by the police.
• 市场上的仿冒品常常以假乱真，消费者很难分辨。
  Shì chǎng shàng de fǎng mào pǐn cháng cháng yǐ jiǎ, xiāo fèi zhě hěn nán fēn biàn.
  Counterfeit goods on the market often mix the fake with the real, making it hard for consumers to tell them apart.