Usage note
有害的意思是会带来坏处或伤害。
Yǒu hài de yìsi shì huì dài lái huài chù huò shānghài.
Harmful means it can bring bad effects or injury.
Context note
这个词用来描述对健康或环境不好的东西。
Zhège cí yòng lái miáoshù duì jiànkāng huò huánjìng bù hǎo de dōngxi.
This word is used to describe things that are bad for health or the environment.
5 examples
吸烟有害健康。
xī yān yǒu hài jiàn kāng。
Smoking is harmful to health.
这种化学物质有害。
zhè zhǒng huà xué wù zhì yǒu hài。
This chemical substance is harmful.
不要吃有害的食物。
bú yào chī yǒu hài de shí wù。
Don't eat harmful food.
垃圾对地球有害。
lā jī duì dì qiú yǒu hài。
Trash is harmful to the Earth.
暴晒对皮肤有害。
bào shài duì pí fū yǒu hài。
Too much sun is harmful to the skin.
5 mini stories
小明知道吃太多糖有害，所以他只吃一点点。
xiǎo míng zhī dào chī tài duō táng yǒu hài， suǒ yǐ tā zhī chī yì diǎn diǎn。
Xiao Ming knows eating too much sugar is harmful, so he only eats a little.
妈妈告诉小红，玩火有害，要小心。
mā ma gào sù xiǎo hóng， wán huǒ yǒu hài， yào xiǎo xīn。
Mom told Xiao Hong that playing with fire is harmful, so be careful.
老师说，乱扔垃圾对环境有害。
lǎo shī shuō， luàn rēng lā jī duì huán jìng yǒu hài。
The teacher said that littering is harmful to the environment.
小狗吃了有害的东西，生病了。
xiǎo gǒu chī le yǒu hài de dōng xī， shēng bìng le。
The puppy ate something harmful and got sick.
我们要远离有害的虫子。
wǒ men yào yuǎn lí yǒu hài de chóng zǐ。
We should stay away from harmful bugs.
Mini dialogue
有害健康
A
吃太多糖对身体有害。
Chī tài duō táng duì shēntǐ yǒuhài.
Eating too much sugar is harmful to the body.
B
我知道了，以后会少吃。
Wǒ zhīdào le, yǐhòu huì shǎo chī.
I understand, I will eat less in the future.
有害环境
A
乱扔垃圾对环境有害。
Luàn rēng lājī duì huánjìng yǒuhài.
Littering is harmful to the environment.
B
我们应该把垃圾扔进垃圾桶。
Wǒmen yīnggāi bǎ lājī rēng jìn lājī tǒng.
We should throw trash into the trash can.
Related words and contrasts
opposite
无害
wú hài
harmless
无害 means not harmful, the opposite of 有害.
similar
危险
wēi xiǎn
dangerous
危险 means dangerous, similar to harmful.
opposite
安全
ān quán
safe
安全 means safe, the opposite of harmful.