4 sentences

1. 西藏的自然条件极为严酷。

   xī​zàng de zì​rán​tiáo​jiàn jí​wéi yán​kù.

   Natural conditions in Tibet are extremely harsh.

   Source: CCMatrix

2. 他们不惧怕恶劣的天气或严酷的冬天。

   tā​men bù jù​pà è​liè de tiān​qì huò yán​kù de dōng​tiān.

   They are not afraid of bad weather or harsh winters.

   Source: CCMatrix

3. 北极是地球上环境最严酷的地区之一。

   běi​jí shì dì​qiú shang huán​jìng zuì yán​kù de dì​qū zhī​yī.

   The Arctic is one of the harshest environments on earth.

   Source: CCMatrix

4. 他们将在春季返回，以逃避严酷的北方冬季。

   tā​men jiāng zài chūn​jì fǎn​huí, yǐ táo​bì yán​kù de běi​fāng dōng​jì.

   They will return in spring to escape the harsh northern winter.

   Source: CCMatrix