Word: 界 (jiè) 界 dictionary entry jiè boundary; realm Full dictionary entry for 界 Example sentences using 界 2 sentences, showing page 1 of 1. 两国以这条河为界。 Liǎng guó yǐ zhè tiáo hé wèi jiè. The two countries are divided by this river. 我家和邻居以这堵墙为界。 Wǒjiā hé línjū yǐ zhè Dǔqiáng wèi jiè. My home and the neighbor's are separated by this wall.