5 sentences

1. 为什么没有世界和平？

   wèi​shén​me méi​yǒu shì​jiè hé​píng?

   Why is there no world peace?

   Source: Tatoeba

2. 我们应该共同努力，维护世界和平。

   wǒ​men yīng​gāi gòng​tóng nǔ​lì, wéi​hù shì​jiè hé​píng.

   We should work together to maintain world peace.

   Source: Dong Chinese Dictionary

3. 各国政府应共同努力，谋求世界和平。

   gè guó zhèng​fǔ yīng gòng​tóng nǔ​lì, móu​qiú shì​jiè hé​píng.

   Governments of all countries should work together to seek world peace.

   Source: Dong Chinese Dictionary

4. 我们应当认清世界和平与发展的大势。

   wǒ​men yīng​dāng rèn​qīng shì​jiè hé​píng yǔ fā​zhǎn de dà​shì.

   We should recognize the general trend of world peace and development.

   Source: Dong Chinese Dictionary

5. 联合国宪章是维护世界和平的重要法律基石。

   Lián​hé​guó xiàn zhāng shì wéi​hù shì​jiè hé​píng de zhòng​yào fǎ​lǜ jī​shí.

   The UN Charter is an important legal cornerstone for maintaining world peace.

   Source: Dong Chinese Dictionary