危急存亡

Explanation: Dangerous and critical emergency. Related to the survival of destruction that critical moment. 　　Source: Three Shu Zhuge Liang, "Inst" under the third day, Yizhou strike disadvantages, but also the sincerity despite the critical autumn. " 　　Examples: When the ~, risking his life time, not take heart from the spirit, united it? ! ★ Lu Xun's "two books" February