恶事传千里

Explanation: Evil: bad scandal. Describe something very easy to ruin the reputation spread to 　　Usage: As object, attribute; means something very easy to ruin the reputation of spread 　　Source: Ming Shinai "Water Margin" 24 back: "Since ancient times, said: good things do not go out, bad news travels fast. Less than half months between the neighbors have got to know only one I do not know without the knowledge of Wuhan University." 　　Examples: Good thing not to go out, ~ Thesaurus:  Evil line the winged steed