藏锋敛锐

Explanation: Metaphor does not reveal the cutting edge. With "possession of convergence of E front." 　　Source: Qing Li Yu "halibut stealing hair": "I Sampras was his last troops ... ... Fuseshita Fire Attack, burn me a lot of wild beasts, had fled into the mountains, the Tibetan Feng Rui convergence, rest for half a year, then they would feel fine also force complex. "