瓜田不纳履，李下不整

Explanation: [Source] "gentleman-line verse poems": "Gentlemen against first place, not at the suspect room. Melon is not satisfied Lu, Li is not the whole under the crown." [Explained] through melon, not to mention shoes, bent down; after plum following Do not raise hands to organize a hat. Analogy Bixian Yi. [Example] As the saying goes :"~"。 If he done nothing wrong, nothing to worry about. [Story]