《战国策·东周·秦兴师临周而求九鼎》
秦国发动军队逼近洛阳城下，向东周朝廷索要九鼎，周君为这件事感到忧虑，就告诉大臣颜率，和他一起商量对策。
秦兴师临周而求九鼎，周君患之，以告颜率。
Qin sent troops to approach Luoyang City and asked the East Zhou court for the nine tripods. King Zhou was worried about this matter, so he told the minister Yan Shuai to discuss countermeasures with him.