time for doing something / period of time / season

important, significant

importance, consequence, significance

Qin dynasty

(historical) the Qin dynasty (221-207 BCE), first dynasty of China / 前秦 (Zenshin, “Former Qin”, 351-394 CE) / 後秦 (Kōshin, “Later Qin”, 384-417 CE) / 西秦 (Seishin, “Western Qin”, 385-431 CE) / a surname

a place name / a surname

extraordinary, unusual

emergency

very; extremely / exceedingly; tremendously

history / the study of history