[Source] "Northern History Yuan Chuan": "With Li Xia, the ancients were cautious.
Idiom entry: Gua Tian Lixia
Idiom pronunciation: guā tián lǐ xià
Idiom to dispel doubts: a metaphor for an occasion that is easy to arouse suspicion.
The origin of the idiom: Biography of Northern History Yuan: "long summer, the ancients were cautious."
Idiom example: as long as you do it right, even in ~, there is nothing to worry about.
Idiom story:
Tang Wenzong, a great calligrapher in the Tang Dynasty, was Liu Gongquan, honest and eloquent, and served as assistant minister of the Ministry of Industry. At that time, an official named Guo Ning sent his two daughters to the palace, so the emperor sent Guo Ning to Postal Ning (now Postal County, Shaanxi Province) to be an official, and people talked about it one after another. The emperor asked Liu Gongquan about it: "Guo Ning is the stepfather of the Empress Dowager, and he is a general. He hasn't made any mistakes since he became an official. Now, what's wrong with making him the first mate in this small place? " Liu Gongquan said: "Everyone who talks about this matter thinks that Guo Ning got this position because he gave his two daughters to the palace." Tang Wenzong said: "Guo Ning's two daughters went to the palace to accompany the Queen Mother, not me." Liu Gongquan replied, "How can people tell Li's suspicion?"
"Gua Tian Li Xia" originated from the poem "Gua Tian won't accept shoes, Li Xia won't finish the crown" in the ancient Yuefu gentlemen's line. Here, Liu Gongquan is a metaphor for the emperor, which makes people suspicious.
Li Xia and Gua Tian, these two places are easy to arouse suspicion. If you stand in it, even if you don't pick your dishes, it's easy to arouse unnecessary suspicion.
The ancients emphasized that gentlemen should pay attention to manners and manners, and besides, they should take the initiative to avoid suspicion and stay away from some controversial people and things.
Now it refers to occasions that are more likely to arouse suspicion, make people misunderstand, and are difficult to argue.