Word: 建交 (jiànjiāo) 建交 dictionary entry jiànjiāo to establish diplomatic relations Full dictionary entry for 建交 Example sentences using 建交 2 sentences, showing page 1 of 1. 两国是哪一年建交的？ Liǎng guó shì nǎ yì nián jiànjiāo de? In what year did the two countries establish diplomatic relations? 这两个国家终于建交了！ Zhè liǎng gè guójiā zhōngyú jiànjiāole! These two countries have finally established diplomatic relations!