brightness
brightness — 名詞
1. the level of light in something, or the strength with which it shines.
亮度
光線強弱的程度
the level of light in something, or the strength with which it shines.
The phone lets users lower the brightness before bed.
這支手機讓使用者能在睡前調低亮度。
lower the brightness
At sunrise, the lake's brightness hurt Ravi's eyes.
日出時，湖面的亮度刺得 Ravi 眼睛發痛。
Aiko checked the classroom brightness after the new bulbs arrived.
新燈泡送來後，Aiko 檢查了教室的亮度。
The brightness of the snow made Yusuf reach for sunglasses.
雪地的亮度讓 Yusuf 伸手去拿太陽眼鏡。
During the test, screen brightness stayed low on every tablet.
考試期間，每台平板的螢幕亮度都維持在低檔。
- light
broader and often names the thing itself, not its measured level
- brilliance
stronger and sometimes more literary or intense
- glow
suggests a softer or warmer kind of light
文法句型
the brightness of something
adjust the brightness
brightness stays low/high
用法筆記
Common with screen, lamp, snow, sun, and room, often after verbs like adjust, lower, or increase. Distinguish from sense 2, which is about vivid colour rather than the amount of light.
常見錯誤
2. the strength and clearness of a colour when it looks vivid and easy to notice.
鮮豔度
顏色鮮明醒目的程度
the strength and clearness of a colour when it looks vivid and easy to notice.
The poster's brightness made the red letters jump out.
這張海報的鮮豔度讓紅色字樣特別醒目。
brightness of a color
Under the shop lights, the silk kept its brightness.
在店裡的燈光下，這塊絲綢仍保有鮮豔度。
Mei loved the brightness of the tulips by the gate.
Mei 很喜歡大門旁那些鬱金香的鮮豔度。
Rain washed away some brightness from the painted sign.
雨水沖掉了那塊彩繪招牌的一些鮮豔度。
This camera adds brightness to greens and oranges.
這台相機會替綠色和橘色增加鮮豔度。
文法句型
the brightness of a color
keep its brightness
lose some brightness
用法筆記
Usually used for colours, flowers, paint, clothes, and pictures. Distinguish from sense 1, which is about light level rather than strong colour.
3. a happy, hopeful look or manner that makes someone seem lively.
朝氣
看起來快樂有希望的樣子
a happy, hopeful look or manner that makes someone seem lively.
The child's brightness returned when her mother waved from the bus.
母親從公車上揮手時，那孩子又恢復了朝氣。
brightness returns with good news
There was brightness in Omar's voice after the call.
通話結束後，Omar 的聲音裡多了幾分朝氣。
brightness in someone's voice
A sudden brightness filled Priya's face at the news.
聽到那個消息時，Priya 的臉上忽然亮了起來。
The teacher's brightness helped calm the nervous class.
老師那份開朗讓緊張的全班慢慢平靜下來。
Despite the rain, some brightness stayed in Noa's smile.
儘管下著雨，Noa 的笑容裡還是帶著幾分朝氣。
- cheerfulness
more general and does not focus on how it shows in the face or voice
- warmth
stresses kindness and friendliness more than hopefulness
- optimism
focuses on hopeful thinking rather than appearance
文法句型
brightness in someone's face
brightness in someone's voice
speak with brightness
用法筆記
Often appears with face, eyes, smile, and voice, especially in descriptive writing. Distinguish from sense 4, which is about mental ability rather than an outwardly hopeful effect.
4. the ability to understand things fast and learn new ones easily.
聰穎
理解快、學得快的特質
the ability to understand things fast and learn new ones easily.
Teachers noticed Hana's brightness in maths during first grade.
老師們在一年級時就注意到 Hana 在數學上的聰穎。
brightness in a student
The test showed more brightness than his quiet manner suggested.
這場測驗顯示出的聰穎，比他安靜的樣子更明顯。
Leila's brightness helped the team learn the new system quickly.
Leila 的聰穎讓團隊很快學會了新系統。
Even at five, the boy's brightness surprised his grandparents.
即使才五歲，那男孩的聰穎還是讓祖父母很驚訝。
The school gave extra work to students with unusual brightness.
學校給特別聰穎的學生額外作業。
- intelligence
broader and more neutral for mental ability in general
- cleverness
often highlights skill in finding answers or solutions
- sharpness
suggests quick understanding and alert thinking
文法句型
someone's brightness
show brightness
brightness in a student
用法筆記
Common with child, student, and mind, and often after verbs like show, notice, or measure. Distinguish from sense 3, which describes a cheerful look or manner, not quick learning.