He concealed the key inside his tie.
※Art lies in concealing art. 隐而不露即艺术。
※Drunkenness reveals what soberness conceals. 酒后露真言。
※Greatest genius often lies concealed. 大智若愚。
※The highest art is to conceal art. 最高的艺术就是不露艺术。
※What soberness conceals, drunkenness reveals. 醉汉口里露真言。
※It is harder to conceal ignorance than to acquire knowledge. 掩盖无知要比学到知识更难.
※Adversity reveals genius; fortune conceals it.——Horace, ancient Roman poet苦难显才华，好运隐天资。古罗马诗人 贺拉斯
※If rich, it is easy enough to conceal our wealth, but, if poor, it is not so easy to conceal our poverty. We shall find it less difficult to hide a thousand guineas, than one hole in our coat.——Charles C. Colton, British clergyman 如果富有，藏富很容易；如果贫穷，掩饰贫穷却很难。我们不难发现隐藏1000个金币比遮盖衣服上的一个破洞来得容易。英国画妆师科尔顿.C.C