经营: to engage in (business etc), to run, to operate...
作废: to become invalid, to cancel, to delete, to ify...
打败: to defeat, to overpower, to beat, to be defeated...
得知: to find out, to learn of...
带领: to guide, to lead...
信号: signal...
陶瓷: pottery and porcelain, ceramics...
倒下: to collapse, to topple over...
精神病: mental disorder, psychosis...
旅行: to travel, journey, trip...
