動詞 lighten:

1. make more cheerful
   同義詞：lighten up, buoy up
2. reduce the weight on; make lighter
3. become more cheerful
   同義詞：lighten up, buoy up
4. make lighter or brighter
   同義詞：brighten, lighten up
5. become brighter
   同義詞：brighten
6. become lighter
   同義詞：lighten up
7. alleviate or remove (pressure or stress) or make less oppressive
   同義詞：relieve

1. 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。
2. A solitary candle lightened the darkness of the room.
   一支孤燭使黑暗的房間亮了起來。
3. Her heart lightened when she heard the news.
   聽到這消息，她輕松了。

lighten

v.（動詞）
light.ened,light.en.ing,light.ens
v.tr.（及物動詞）

To make light or lighter; illuminate or brighten.
照亮或使明亮；聚光或使明亮
To make (a color) lighter.
使（顏色）變淡
Archaic To enlighten.
【古語】 啟發(fā)
v.intr.（不及物動詞）
To become lighter; brighten.
變得明亮；使明亮
To be luminous; shine.
發(fā)亮；閃光
To give off flashes of lightning.
打閃，閃電

lighten
lighten 2

v.（動詞）
light.ened,light.en.ing,light.ens
v.tr.（及物動詞）
To make less heavy.
使變輕
To lessen the oppressiveness, trouble, or severity of.See Synonyms at relieve
減輕…的負擔、麻煩或嚴重性參見 relieve
To relieve of cares or worries; gladden.
使輕松；使愉快
v.intr.（不及物動詞）
To become less in weight.
（重量）變輕
To become less oppressive, troublesome, or severe.
變得緩和、不麻煩或不嚴重
To become cheerful.
變得愉快