图片文件尺寸: 1884 x 3228px

保护计算机不受不小心泄漏的影响-美国国立卫生研究院

~ Protect computers from careless spills--National Institutes of Health (美国艺术家, 1887-)

图片文件尺寸: 3689 x 4823px

如果你不小心！-乌多·凯普勒

~ The Wickersham will git yer if yer dont — watch — out! (1911) --Udo Keppler (美国艺术家, 1872 – 1956)

图片文件尺寸: 2416 x 3640px

鬼鬼祟祟的弗里茨总是听着。说话要小心。

~ Furtive Fritz is always listening. Be careful what you say. (1939~1946) -

图片文件尺寸: 2417 x 3640px

鬼鬼祟祟的弗里茨总是听着。说话要小心

~ Furtive Fritz is always listening. Be careful what you say (1939~1946) -

图片文件尺寸: 2416 x 3640px

鬼鬼祟祟的弗里茨总是听着。说话要小心。

~ Furtive Fritz is always listening. Be careful what you say. (1939~1946) -

图片文件尺寸: 2417 x 3640px

鬼鬼祟祟的弗里茨总是听着。说话要小心

~ Furtive Fritz is always listening. Be careful what you say (1939~1946) -

材质 :Etching and aquatint 尺寸 :21.6 × 15.6 cm Print

这是UMD…好吧，就像我说的。。。嘿，嘿，嘿！嘿，小心！否则。。。[你明白吗？…好吧，就像我说的…嘿！看看！否则…]（约1799年）-弗朗西斯科·德戈亚(Spanish, 1746–1828)

英文名称:¿Està Umd...pues, Como digo..eh! Cuidado! si no... [You understand?... well, as I say... eh! Look out! otherwise...] (ca. 1799) | Available for Sale-Francisco de Goya

图片文件尺寸: 2381 x 3560px

你永远不知道是谁在电线上！说话要小心

~ You never know whos on the wires! Be careful what you say (between 1939 and 1946) -

图片文件尺寸: 2381 x 3560px

你永远不知道是谁在电线上！说话要小心

~ You never know whos on the wires! Be careful what you say (between 1939 and 1946) -

图片文件尺寸: 2426 x 3640px

在电话——你可能会泄露重要信息。小心！

~ Be careful what you say over the ;phone – you may give away vital information. Be on your guard! (1939~1946) -