强弓劲弩

Explanation: Strong: strong, powerful. Strong bow, crossbow hard. 　　Source: Ming Feng Meng, "Eastern Zhou Zhi" Ninety-nine hundred miles back to South Korea where, with a few hundred thousand strong bow Jinnu natural thing in the world, all from the Han out. " 　　Examples: Qianhou mostly hard strong bow, crossbow, Bing Ma Rulin, were shot turn. (Qing Chen Chen, "Water Margin after the transfer," the twenty-sixth back)