1
brighten sth
及物用法，后接名词作宾语。
The flowers brighten the room.
花朵使房间明亮起来。
变亮；变得活跃或快活
brightens — third person singular of brighten
先理解核心含义，再看它在真实句子里的用法。
变亮；变得活跃或快活
become brighter or more cheerful
The flowers brighten the room.
花朵使房间明亮起来。
不及物动词
使颜色更亮或更鲜艳
To make bright or brighter in color.
使更加杰出或更有光彩；增加光泽或辉煌。
To make illustrious, or more distinguished; to add luster or splendor to
使更愉快、更令人振奋
To make more cheerful and pleasant; to enliven
变得明亮或颜色更亮；变得清晰。
To grow bright, or more bright in color; to clear up
brighten
Base
原形
brightens
3rd person
第三人称单数
brightening
-ing
现在分词
brightened
Past
过去式
brightened
Past participle
过去分词
The sun brightens the room.
太阳使房间变亮。
Her smile brightened my day.
她的微笑照亮了我的一天。
The paint has brightened the walls.
油漆使墙壁变得更亮了。
规则动词
The sky brightened after the storm.
风暴过后天空变亮了。
She brightened the room with fresh flowers.
她用鲜花照亮了房间。
His face brightened when he saw the gift.
他看到礼物时脸上露出了喜色。
及物用法，后接名词作宾语。
The flowers brighten the room.
花朵使房间明亮起来。
不及物用法，常与up连用。
Her face brightened when she saw the gift.
她看到礼物时脸上露出了喜色。
带up的及物短语，宾语可放在up后或中间。
A new coat of paint will brighten up the kitchen.
一层新油漆会让厨房亮堂起来。
Not this
The sun brights the sky.
Use this
The sun brightens the sky.
动词形式错误：'bright'是形容词，不能作动词。应使用及物动词'brighten'表示'使变亮'。
Not this
Her brighten eyes are beautiful.
Use this
Her bright eyes are beautiful.
词性混淆：'brighten'是动词，不能作定语修饰名词。应使用形容词'bright'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
使明亮；使高兴起来
A coat of paint will brighten up the room.
刷一层油漆会使房间明亮起来。
使某人心情愉快
Her smile brightened my day.
她的微笑使我心情愉快。
使情绪好转
The joke brightened the mood of the entire group.
那个笑话让整个小组的情绪好转起来。
照亮房间
New curtains brightened the living room.
新窗帘照亮了客厅。
振奋某人的精神
The good news brightened her spirits.
好消息振奋了她的精神。
使前途光明
This investment will brighten the company's future.
这项投资将使公司的前途光明。
变得高兴起来；照亮
She brightened up when she heard the good news.
听到这个好消息，她变得高兴起来。
使某人开心；让某人的一天更美好
A simple compliment can really brighten someone's day.
一句简单的赞美就能让一个人的一天更加美好。
使场所明亮/活跃起来
Fresh flowers always brighten the place.
鲜花总是能让这个地方明亮起来。
Use brightens naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
bright（明亮的）+ en（使动词后缀）= 使明亮。想象太阳（bright）升起，万物brighten（变亮）。
语域：neutral 常见场景：weather、mood、room、face 通常用于描述天气变亮、心情变好或使某物明亮，比较常见于日常和书面语中。
作及物动词时，宾语可以是表示事物或人的名词；作不及物动词时，主语常指天气、光线或情绪等变得明亮或活跃。
Dictionary facts from ECDICT, WIKTIONARY.