Usage note
“变”用于描述事物或情况的变化。例如，天气从晴朗变为多云。
biàn yòng xiě chū shì wù huò qíng kuàng de biàn huà. rú kě, tianqì cóng qíng lǎng biàn wéi duō yún.
"变" is used to describe changes in things or situations. For example, the weather from sunny becomes cloudy.
Context note
“变”常用于描述天气、时间或心情的变化。例如，早上天气由晴朗变为多云。
biàn cháng yòng wéi xiě tianqì, shíjiān huò qíng xīn de biàn huà. rú kě, zǎoshang tianqì yóu qíng lǎng biàn wéi duō yún.
"变" is often used to describe changes in weather, time, or mood. For example, the morning weather from sunny becomes cloudy.
5 examples
天气由晴朗变为多云。
tiān qì yóu qíng lǎng biàn wèi duō yún。
The weather changed from sunny to cloudy.
时间由上午变下午。
shí jiān yóu shàng wǔ biàn xià wǔ。
Time changed from morning to afternoon.
心情由开心变得难过。
xīn qíng yóu kāi xīn biàn de nán guò。
Mood changed from happy to sad.
颜色由红色变为蓝色。
yán sè yóu hóng sè biàn wèi lán sè。
The color changed from red to blue.
价格由便宜变贵了。
jià gé yóu pián yi biàn guì le。
The price changed from cheap to expensive.
5 mini stories
早上天气晴朗，下午变得多云。
zǎo shàng tiān qì qíng lǎng， xià wǔ biàn de duō yún。
In the morning, the weather was sunny; in the afternoon, it became cloudy.
妈妈心情由开心变得难过。
mā ma xīn qíng yóu kāi xīn biàn de nán guò。
Mom's mood changed from happy to sad.
价格由便宜变贵了，我们决定不买了。
jià gé yóu pián yi biàn guì le， wǒ men jué dìng bù mǎi le。
The price changed from cheap to expensive, so we decided not to buy it.
天气由晴朗变为多云，小明觉得有点冷。
tiān qì yóu qíng lǎng biàn wèi duō yún， xiǎo míng jué de yǒu diǎn lěng。
The weather changed from sunny to cloudy, and Xiao Ming felt a bit cold.
时间由上午变下午，我们开始准备午餐。
shí jiān yóu shàng wǔ biàn xià wǔ， wǒ men kāi shǐ zhǔn bèi wǔ cān。
Time changed from morning to afternoon, so we started preparing lunch.
Mini dialogue
天气变了
A
天气变了吗？
Tiān qì biàn le ma?
Has the weather changed?
B
变了，现在变冷了。
Biàn le, xiàn zài biàn lěng le.
Yes, it has changed, now it's getting cold.
叶子颜色
A
树叶变黄了。
Shù yè biàn huáng le.
The leaves have turned yellow.
B
是啊，秋天到了，颜色都变了。
Shì a, qiū tiān dào le, yán sè dōu biàn le.
Yes, autumn is here, the colors have all changed.
Related words and contrasts
related
变化
biàn huà
change (noun)
变 is often a verb, 变化 is the noun form meaning a change.
similar
改变
gǎi biàn
to alter, change
改变 also means to change, often used for making something different.