| 半空中 | ban4 kong1 zhong1 | in mid air |
| 海阔天空 | hai3 kuo4 tian1 kong1 | the whole wide world |
| 赤手空拳 | chi4 shou3 kong1 quan2 | unarmed and defenseless |
| 净空 | jing4 kong1 | headroom |
| 挖空 | wa1 kong1 | to hollow |
| 空幻 | kong1 huan4 | vanity |
| 传输控制协定 | chuan2 shu1 kong4 zhi4 xie2 ding4 chuan2 shu1 kong1 zhi4 xie2 ding4 | transmission control protocol |
| 崆 | kong1 | name of a mountain |
| 电子空间 | dian4 zi3 kong1 jian1 | cyberspace |
| 留空 | liu2 kong1 | leave blank spaces in writing |
| 空中大学 | kong1 zhong1 ta4 xue2 | |
| 空喊 | kong1 han3 | to prattle |
| 空枢 | kong1 shu1 | trunnion |