中文拼音： ruo4 yao4 ren2 bu4 zhi1 , chu2 fei1 ji3 mo4 wei2

中文繁体： 若要人不知，除非己莫為

英文翻译： If you don't want anyone to know, don't do it (idiom). fig. If you do something bad, people will inevitably hear about it.