1. The distance between two endpoints. For example, "This river is thirty miles long."
2. advantages, advantages. Such as: "each has its own strengths" and "learn from each other's strengths". Warring States policy? Qi Ce-san said, "Please cover the short step and recite the long step. "
3. Professional skills. Such as: "expertise" and "specialty".
4. Last name. For example, during the Spring and Autumn Period, the State of Chu lived permanently.
5.2 14 radical.
6. Large space and distance. As opposed to "short". Such as: Sleeping on the Long Bridge. "Chu ci? Qu Yuan? Nine songs? National mourning: "Take a long sword and A Qin bow, and leave your head. "
7. It takes a long time. As opposed to "short". Kim? Tao Yuanming's Sixteen of Twenty Drinking Poems: "The night watch is brown, and the morning chicken doesn't crow."
8. It's a long way. Don? Wang Changling's "One of the Two Poems on the Embankment": "The bright moon in the Qin Dynasty was closed in the Han Dynasty, and the Long March people did not return."
9. permanent. Han? Huan Kuan's Theory of Salt and Iron? Yijun: "Wen Fu can still be used for a long time, but it is difficult to do it for a long time."
10. Specialize in. For example, "Good at writing." Southern Song Dynasty? Liu Yiqing's Shi Shuo Xin Yu? Literature: "Le Ling is good at making clear words, not longer than writing."