Xiang Zhuang danced with the sword, aiming at Pei Gong. Xiang Zhuang: A general under Xiang Yu. Pei Gong: Liu Bang. It means that the true intention of a speech or action is different from others.
If you want to impose a crime, there is no reason to hesitate. Desire: Want; Sui: sorrow, worry; Ci: words, refers to excuses. If you want to accuse someone, you don't have to worry about finding a crime. Refers to falsely accusing people at will.