| 环境HSK 3 | huán jìng | environment; circumstances; surroundings; Classifiers: 个 ; ambient | |
| 境内 | jìng nèi | within the borders; internal (to a country, province, city etc); domestic | |
| 境界HSK 6 | jìng jiè | boundary; state; realm | |
| 边境HSK 6 | biān jìng | frontier; border | |
| 境外 | jìng wài | outside (a country's) borders |
| 1 | How to protect the environment? | |
| 2 | We need to be mindful of protecting the environment. | |
| 3 | We should care about environmental protection. | |
| 4 | We should actively protect the environment. | |
| 5 | He has already adapted to the new environment. |