鱼目混珠 [- - hùn zhū]pass off fish eyes as [for] pearls — pass off the sham as the genuine; get sb. to accept ignorantly a false article; mix the fictitious with the genuine; mix the genuine with the fictitious; palm off sth.; pass fish eyes for pearls:
•¶ 这些事实证明他们是在打算鱼目混珠。 These facts prove that they are trying to pass fish eyes for pearls.