lighten

• It was lightening that caused the forest fire last year
  正是闪电引起了去年的那场火灾。
• Her heart lightened when she heard the news
  她听到这条消息心情轻松了。
• More lamps will lighten the gloomy room
  再多一些灯会使昏暗的屋子变亮。
• The burden of self is lightened when i laugh at myself
  当我自嘲时，自私的重负由之缓解。
• The burden of self is lightened when i laugh at myself
  我取笑自己时自我的负担就减轻了。
• She says you should lighten up for the sake of your health
  她说为了健康，你也应该振作起来
• Comparison of lightening power of white pigments
  白色颜料消色力的比较
• Diana ' s heart lightened when she heard it
  听到这，黛安娜的心轻松了。
• His mood lightened after the solution of the knotty problem
  难题解决后他的心情愉快起来。
• When the storm ended the sky lightened
  暴风雨过去后,天空变得明亮了。