名词:brightener 动词过去式:brightened 过去分词:brightened 现在分词:brightening 第三人称单数:brightens
v [I, Ip, Tn, Tn.p] ~ (sth) (up) (cause sth/sb to) become brighter, more cheerful or more hopeful （使某人[某事物]）焕发光彩, 更愉快, 更有希望
*The sky/weather is brightening. 天空[天气]转晴.
* He brightened (up) when he heard the good news. 他听到这个好消息时喜形于色.
* Flowers brighten (up) a room. 房间里有了花显得满室生辉.
2【make more attractive】
3【make more enjoyable】
【MAKE LIGHTER】 [T]
to make something lighter or brighter
Use blonde highlights to brighten your hair.
The morning sunshine brightened up the room.
【MAKE MORE ATTRACTIVE】 [T]
to make something more colourful or attractive
She bought some flowers to brighten the room.
I want to brighten the place up a bit.
【MAKE MORE ENJOYABLE】 [T]
to make something more enjoyable, exciting or interesting
His letter brightened my day.
I felt I needed something to brighten up my life.
【BECOME LIGHTER/BRIGHTER】 [I]
to shine more strongly, or become brighter in colour
The stage lights brightened to reveal a street scene.
【BECOME SUNNY】 [I]
if the weather brightens, the sun begins to shine and it becomes lighter
The sky brightened after lunch.
Let's hope the weather brightens up later.
It brightened up a bit in the afternoon.
【BECOME HAPPY】 [I]
to become happier or more excited
His eyes brightened when we started talking about money.
She brightened up a bit when she saw us.