瓜李之嫌

Explanation: Kuala Lee: allay. Metaphor in a suspect position. 　　Usage: Partial official; as object; analogy is suspect position 　　Source: Five WANG Ding Bao "Don made a good third evil Corrections Picks": "Lee is suspected of melon known, Coix of slander, Sri Lanka should not forget." 　　Examples: Who knows what not harmonic, anti involving ~, today's parents Gesao can not forgive, not to mention others. (Ming Feng Meng "Jingshitongyan" Volume XI) Thesaurus:  in a melon patch or under a plum tree— in suspicious circumstances or surroundings