Fool's gold is iron pyrite. Iron pyrite is a brassy yellow mineral that is often mistaken for gold.
" Fool's gold" 是指黄铁矿。黄铁矿是有黄铜色的黄色矿物,人们经常把它误认成金子。
He wore rather baggy grey shepherd's check trousers, a not over-clean black frock-coat, unbuttoned in the front, and a drab waistcoat with a heavy brassy Albert chain, and a square pierced bit of metal dangling down as an ornament.
穿一条松垂的灰格裤子,一件不太干净的燕尾服,前面的扣子没有扣上,里面穿一件土褐色背心,背心上面系有一条艾尔伯特式的粗铜链,还有一小块中间有一个四方窟窿的金属片儿作为装饰品,来回晃动。