8 sentences

1. 两国建立了外交关系。

   liǎng​guó jiàn​lì le wài​jiāo guān​xi.

   The two countries established diplomatic relations.

   Source: Dong Chinese Dictionary

2. 两国决定重建外交关系。

   liǎng guó jué​dìng chóng​jiàn wài​jiāo guān​xi.

   The two countries decided to restore diplomatic relations.

   Source: Dong Chinese Dictionary

3. 中保两国建立了外交关系。

   Zhōng Bǎo liǎng guó jiàn​lì le wài​jiāo guān​xi.

   China and Bulgaria have established diplomatic relations.

   Source: Dong Chinese Dictionary

4. 建立外交关系是两国合作的第一步。

   jiàn​lì wài​jiāo guān​xi shì liǎng guó hé​zuò de dì​yī bù.

   Establishing diplomatic relations is the first step in cooperation between the two countries.

   Source: Dong Chinese Dictionary

5. 索中两国一直保持着友好的外交关系。

   Suǒ Zhōng liǎng guó yī​zhí bǎo​chí zhe yǒu​hǎo de wài​jiāo guān​xi.

   Somalia and China have always maintained friendly diplomatic relations.

   Source: Dong Chinese Dictionary

6. 这两国在战争爆发后中断了外交关系。

   zhè liǎng guó zài zhàn​zhēng bào​fā hòu zhōng​duàn le wài​jiāo guān​xi.

   These two countries severed diplomatic relations after the outbreak of war.

   Source: Dong Chinese Dictionary

7. 由于这场战争，两国已经断绝了外交关系。

   yóu​yú zhè cháng zhàn​zhēng, liǎng guó yǐ​jīng duàn​jué le wài​jiāo guān​xi.

   Because of the war, the two countries have severed diplomatic ties.

   Source: Dong Chinese Dictionary

8. 他非常喜欢研究战国时期各个国家之间的外交关系。

   tā fēi​cháng xǐ​huan yán​jiū Zhàn​guó shí​qī gè gè guó​jiā zhī​jiān de wài​jiāo guān​xi.

   He is very fond of studying the diplomatic relations between various states during the Warring States period.

   Source: Dong Chinese Dictionary