fool's gold

1. 1.

   A mineral or other substance often mistaken for gold; mainly iron pyrite.

   常被误认为黄金的矿物或其他物质；主要是黄铁矿。

2. 2.

   Something worthless that deceptively seems valuable.

   看似有价值但实际毫无价值的东西。

看似有价值但实际毫无价值的东西。；<美>黄铁矿；黄铜矿