其反义词有hide、conceal、withhold、cover up、disguise、hold back等等

discover 发现，发觉

其反义词为隐藏、隐瞒

例句：

Property rights are honored in the breach, and successful companies are careful to conceal the true extent of their profits, lest they be expropriated.违反法律法规地，产权被作为奖励，成功得到产权的公司小心翼翼地隐瞒着真实的利润大小，以免被剥夺产权。