Explanation: The cloud: a sign of rain. When hope seems to drought-inch water. Desire to relieve the plight of metaphor. Source: "Mencius under King Hui of Liang," the popularity of the, if Ni is also of hope to drought. " Examples: Achillea next spring millet think Joseph is said Lin ~ prices. (Qing Shen Zengzhi "and Fou Yun Weng Mongol")