若要人不知，除非己莫为
书籍：汉英成语词典
更新时间：2018-12-03 21:52:24
出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第178页（316字）
形容做了坏事终究隐瞒不住，会被别人知道的，例这个走私舞弊集团，虽保密甚严，殊不知若要人不知，除非己莫为，不久就被揭发破案。
Though the smugglers had kept all their activities very secret，yet the case was exposed and cracked in a short time．After all“the only way to stop people knowing is not to do yourself．”so the saying goes．