成语“薏苡明珠”源出《后汉书·马援传》:“初,援在交阯,常饵薏苡实,用能轻身省欲,以胜瘴气。南方薏苡实大,援欲以为种,军还,载之一车。时人以为南方珍怪,权贵皆望之。援时方有宠,故莫以闻。及卒后,有上书谮之者,以为前所载还,皆明珠文犀。”马援生前喜食薏苡,这本是平常之事,他怎么也不会想到,这平常之事在他死后却造出如此大的一场风波来,差点弄得他家破人亡。把发现当罪过、把草药当珠宝,这真是天大的冤枉!后世不少作品中皆以 Idioms “Coix pearl ” source “after the Han Ma Yu Chuan”: “early, aid at the address, often bait Coix real, with light body provincial desire, I thought that the species, the military also contains a car when the people think that the South of the rare, power and respect are all looking forward to when the pet has a favor, so Mo to smell and after the death, there are those who wrote the book, thought before also contained, are the Pearl Wen rhinoceros. ”" Ma Yu lifetime eating Coix, this is the usual matter, how he would not think of this common thing after his death has created such a big storm, almost made his family was killed . The discovery of sin, the herbs as jewelry, this is really a big wronged! Later generations of many works are