你觉得这家医院的环境和卫生好吗？

Nǐ juéde zhè jiā yīyuàn de huánjìng hé wèishēng hǎo ma?

Do you think the environment and hygiene of this hospital are good?

请大家注意教室卫生。

Qǐng dàjiā zhùyì jiàoshì wèishēng.

Everyone, please pay attention to the classroom hygiene.

这家饭店的卫生怎么样？

Zhè jiā fàndiàn de wèishēng zěnmeyàng?

How is the hygiene at this restaurant?