Spitting slogan

pīn tuòchéng zh

Explanation: Tucao. Cough, spit, praise pearls. Describe erudition, speak eloquently.

Source Song Zhuangzhou's "Zhuangzi Qiushui" in the Warring States Period: "I don't see the husband who vomits?" If you spray, the big ones are like beads and the small ones are like fog. "

Structural subject-predicate idioms

Used as predicate and object; Metaphor is an extraordinary speech or a beautiful poem.

Synonym cough and spit into beads.