冷灰爆豆

Explanation: In the cold gray of popcorn. Analogy the wrong way, in vain. Or metaphor things out of thin air suddenly. Also as "cold pot beans explosion." 　　Source: Song Huang Ting "true Zen master Tsui quotations rock sequence," the dream bed, it may be special tune; cold gray popcorn, and talk to mockery cloud ear. "