v.使輕松，變得輕松；發(fā)亮，變亮；照亮；減輕，變輕；閃電；使變淡
Her heart lightened when she heard the news. 聽到這消息，她輕松了。
His face lightened as she apologized. 她向他道歉時，他喜形于色。
A solitary candle lightened the darkness of the room. 一支孤燭使黑暗的房間亮了起來。
If you want to lighten the weight, had better eat little bread. 如果你想減輕體重，最好少吃面包。
adj.未受啟蒙的；無知的
