Avoid melon and plum
To avoid melons and Li, a Chinese idiom, Pinyin is B ì Gu ā f á NGL ǐ, which means to avoid suspicion. It's from gentleman's way.
Analysis of Idioms
A synonym for avoiding Li and suspecting Gua
Idiom usage
He and I, he and I, avoid melons and plums, and are always like guests. Shen Luan Jiao: a gift to prostitutes by Li Yu in Qing Dynasty
Avoid melon and plum
Nine tripods are not enough - jiǔ dǐng bù zú wéi zhòng
One generation is worse than another - yī dài bù rú yī dài
Fight against frost and be proud of snow - dòu shuāng ào xuě