How common it is
危害 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say wēihài slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
危害指对人或事物造成伤害或损失。
wēihài zhǐ duì rén huò shìwù zàochéng shānghài huò sǔnshī.
Harm refers to causing injury or loss to people or things.
Context note
常用于讨论安全、健康或环境问题。
cháng yòng yú tǎolùn ānquán, jiànkāng huò huánjìng wèntí.
Often used when discussing safety, health, or environmental issues.
5 examples
吸烟对健康有危害。
xī yān duì jiàn kāng yǒu wēi hài。
Smoking is harmful to health.
我们要避免危害环境。
wǒ men yào bì miǎn wēi hài huán jìng。
We must avoid harming the environment.
这种虫子对庄稼有危害。
zhè zhǒng chóng zǐ duì zhuāng jia yǒu wēi hài。
This insect is harmful to crops.
乱扔垃圾危害大家。
luàn rēng lā jī wēi hài dà jiā。
Littering harms everyone.
危害健康的行为要改正。
wēi hài jiàn kāng de xíng wéi yào gǎi zhèng。
Behaviors that harm health should be corrected.
5 mini stories
小明知道吸烟有危害，所以他从不吸烟。
xiǎo míng zhī dào xī yān yǒu wēi hài， suǒ yǐ tā cóng bù xī yān。
Xiao Ming knows smoking is harmful, so he never smokes.
老师告诉我们，污染对地球有危害。
lǎo shī gào sù wǒ men， wū rǎn duì dì qiú yǒu wēi hài。
The teacher told us that pollution is harmful to the Earth.
小华看到有人危害小树，就上前阻止。
xiǎo huá kàn dào yǒu rén wēi hài xiǎo shù， jiù shàng qián zǔ zhǐ。
Xiao Hua saw someone harming a small tree and stopped them.
妈妈提醒我，吃太多糖对牙齿有危害。
mā ma tí xǐng wǒ， chī tài duō táng duì yá chǐ yǒu wēi hài。
Mom reminded me that eating too much sugar is harmful to teeth.
我们要团结起来，消除危害。
wǒ men yào tuán jié qǐ lái， xiāo chú wēi hài。
We must unite to eliminate harm.