The hand is touching the horse, and touching is homophonic. The riddle omits the description of pear, which is homophonic with Li.

Explanation: Li: grinding with "Li"; Soldiers: weapons; Feed animals. Sharpen weapons and feed horses. Describe preparing for battle.

From: Thirty-three Years of Zuo Zhuan Xi Gong: "When I visited the guesthouse, the soldiers and horses did not move."

Example: Sun Quan fought against martyrs, took advantage of Jiangdong, promoted talents and served the change of China.

◎ Song Mao's Thoughts on Ancient Monroe

Grammar: combination; As a predicate; Ready to fight