瓜田不纳履，李下不整冠 guā tián bù nà lǚ，lǐ xià bù zhěng guān
词语解释
走过瓜田，不要弯下身子提鞋；经过李树下面，不要举起手来整理帽子。比喻避嫌疑。
英语翻译
lit. don't tie your shoelaces in a melon patch, and don't adjust your hat under a plum tree (idiom); innocent acts may be misconstrued; fig. don't do anything that might arouse suspicion
