The explanation of frog croak is that frog croak and bird croak. Metaphor is shallow and clumsy. Qing Chu-Xin commented on Han Yu's Ping Huai Xi Bei: "Duan Wenchang really doesn't know that four wives and six frogs croak, and once they play, there is shame in the world."

Word decomposition

The explanation of frog croaking. "Biography of Heather and Kong Zhixuan": "In the courtyard, the grass doesn't come, and frogs are among them." Jin Yuanhao asked the poem "Heavy Rain in Zhangzhu Herbal Hall": "Zhejiang tree frogs are singing rain, and suddenly silver arrows are flying all over the sky." Metaphor is superficial. Liang Qichao's "On the Imperial Examination of Reform": "Therefore, its explanation stands and calls for it, which is called shouting: shouting. Yell (shout, make noise). Calling an array is an instant hit (a play or an actor can attract an audience and many people watch it). Complain bitterly. Cry out grievances. Shout radical: mouth.