| 开国功臣 | kai1 guo2 gong1 chen2 | outstanding founding minister (title given to reward loyal general or vassal of new dynasty or state) |
| 开放源码软件 | kai1 fang4 yuan2 ma3 ruan3 jian4 | open source software (OSS) |
| 开源软件开发方式 | kai1 yuan2 ruan3 jian4 kai1 fa1 fang1 shi4 | open source software development methodology |
| 彭博通讯社 | peng2 bo2 tong1 xun4 she4 | Bloomberg L.P., financial software services, news and data company |
| 徒有其名 | tu2 you3 qi2 ming2 | unwarranted fame |
| 徒有虚名 | tu2 you3 xu1 ming2 | unwarranted fame |
| 心口如一 | xin1 kou3 ru2 yi1 | to say what you think |
| 心理战 | xin1 li3 zhan4 | psyop |
| 心知肚明 | xin1 zhi1 du4 ming2 xin1 zhi1 du3 ming2 | to be well aware |
| 恶意代码 | e4 yi4 dai4 ma3 | malware |
| 意识到了 | yi4 shi2 dao4 le5 | to have realized |
| 戎事倥偬 | rong2 shi4 kong3 zong3 | war crisis |
| 戎马生涯 | rong2 ma3 sheng1 ya2 | army life (idiom) |