卫生

hē shēng shuǐ bù wèi shēng

喝生水，不卫生。

It's not good for health to drink unboiled water.

tā de fáng jiān jīng cháng bǎo chí zhěng jié wèi shēng

她的房间经常保持整洁卫生。

Her house remains at all times tidy and hygienic.

dòng wù de sì yǎng huán jìng xiá xiǎo qiě bù wèi shēng

动物的饲养环境狭小且不卫生。

The animals were kept in cramped and unhygienic conditions.

wǒ men yào zhù yì yǐn shí wèi shēng

我们要注意饮食卫生。

We should pay attention to food hygiene.

wǒ men yào zhù yì gōng gòng wèi shēng

我们要注意公共卫生。

We should pay attention to public health.

wǒ men yào zhòng shì shí pǐn wèi shēng

我们要重视食品卫生。

We should emphasize food hygiene.