Senses
瓜田不纳履,李下不整冠/ 瓜田不納履,李下不整冠 avoid suspicion
To avoid doing anything that might arouse suspicion or where innocent acts may be misconstrued, based on the literal advice not to tie shoes in a melon patch or adjust a hat under a plum tree.
为了避嫌,他决定不去参加那个私人聚会,毕竟瓜田不纳履,李下不整冠。