1. Desperate fishing: refers to draining the water and catching all the fish in the pool. It is a metaphor for short-sighted people who only care about their immediate interests and ignore their long-term plans. It comes from Lv Buwei's Spring and Autumn Appreciation in the Warring States Period: "Desperate fishing will not result in fish, but there will be no fish next year."
2. Yuyang Jinggu: Yuyang is a place name. Now in Jixian County, Hebei Province, Anlushan troops were stationed here in the Tang Dynasty. Jinggu refers to the small drum used in the ancient army, and the battle drum sounded in Yuyang County. It refers to the occurrence of war. It comes from the Song of Everlasting Regret by Bai Juyi of the Tang Dynasty: "Yuyang Jian came here with encouragement and shocked the music of neon clothes and feather clothes."
3. Fishing, seizing and invading people: It refers to plundering and squeezing people's property. According to the Book of the Han Dynasty, Emperor Jing Ji: "Officials use bribes as the market, fishing, seizing people and invading people."
4. The fisherman gains benefits: it means to gain benefits from the two sides' contention. According to Liu Xiang's "Zhanguo Ce Yan Ce II" in the Western Han Dynasty, "If the two sides refuse to give up, the fisherman gains and the bird gains."
5. The fisherman's benefit: It is used to describe that the two sides are unable to argue, and both sides lose, so that the third party takes advantage.