vi. 变亮, 活跃

vt. 使生辉, 使快活

Brighten \Bright"en\, v. i. [AS. beorhtan.]
To grow bright, or more bright; to become less dark or
gloomy; to clear up; to become bright or cheerful.

And night shall brighten into day. --N. Cotton.

And, all his prospects brightening to the last,
His heaven commences ere world be past. --Goldsmith.


Brighten \Bright"en\, v. t. [imp. & p. p. {Brightened}; p. pr. &
vb. n. {Brightening}.]

Note: [From {Bright}, a.]
1. To make bright or brighter; to make to shine; to increase
the luster of; to give a brighter hue to.

2. To make illustrious, or more distinguished; to add luster
or splendor to.

The present queen would brighten her character, if
she would exert her authority to instill virtues
into her people. --Swift.

3. To improve or relieve by dispelling gloom or removing that
which obscures and darkens; to shed light upon; to make
cheerful; as, to brighten one's prospects.

An ecstasy, which mothers only feel,
Plays round my heart and brightens all my sorrow.
--Philips.

4. To make acute or witty; to enliven. --Johnson.