| Trad. | Simp. | Pinyin | English |
| 變速 | 变速 | biàn sù | speed change; gear shift |
| 兵貴神速 | 兵贵神速 | bīng guì shén sù | speed is precious in war |
| 不速之客 | bù sù zhī kè | uninvited or unexpected guest | |
| 操作速率 | cāo zuò sù lǜ | operating speed | |
| 差速器 | chā sù qì | differential | |
| 超高速 | chāo gāo sù | ultra high speed | |
| 超高速乙太網路 | 超高速乙太网路 | chāo gāo sù yǐ tài wǎng lù | Gigabit Ethernet |
| 超音速 | chāo yīn sù | supersonic | |
| 傳輸速率 | 传输速率 | chuán shū sù lǜ | transmission rate; transmission speed |
| 低速率 | dī sù lǜ | low speed | |
| 風速 | 风速 | fēng sù | wind speed |
| 高速 | gāo sù | high speed | |
| 高速公路 | gāo sù gōng lù | highway | |
| 高速緩存 | 高速缓存 | gāo sù huǎn cún | cache |
| 高速率 | gāo sù lǜ | high speed | |
| 高速網絡 | 高速网络 | gāo sù wǎng luò | high speed network |
| 高速乙太網路 | 高速乙太网路 | gāo sù yǐ tài wǎng lù | fast Ethernet |
| 光速 | guāng sù | speed of light | |
| 光速可變理論 | 光速可变理论 | guāng sù kě biàn lǐ lùn | variable speed of light |
| 回旋加速器 | huí xuán jiā sù qì | cyclotron | |
| 基礎速率 | 基础速率 | jī chǔ sù lǜ | basic rate (as in ISDN) |
| 加速 | jiā sù | accelerate; expedite | |
| 加速度 | jiā sù dù | acceleration | |
| 加速器 | jiā sù qì | accelerator (comp) | |
| 減低速度 | 减低速度 | jiǎn dī sù dù | retard; decelerate |
| 減速 | 减速 | jiǎn sù | (n) deceleration; slow-up; (vi) decelerate |
| 減速器 | 减速器 | jiǎn sù qì | moderator |
| 快速 | kuài sù | fast; high-speed; rapid | |
| 快速發展 | 快速发展 | kuài sù fā zhǎn | rapid growth; rapid expansion |
| 快速以太網絡 | 快速以太网络 | kuài sù yǐ tài wǎng luò | Fast Ethernet |
| 粒子加速器 | lì zǐ jiā sù qì | particle accelerator | |
| 時速 | 时速 | shí sù | speed per hour |
| 視窗加速器 | 视窗加速器 | shì chuāng jiā sù qì | Windows accelerator |
| 速 | sù | fast; rapid; quick | |
| 速成 | sù chéng | crash course | |
| 速遞 | 速递 | sù dì | courier |
| 速凍 | 速冻 | sù dòng | quick-freeze |
| 速度 | sù dù | speed; rate; velocity | |
| 速記 | 速记 | sù jì | shorthand |
| 速記員 | 速记员 | sù jì yuán | stenographer |
| 速決 | 速决 | sù jué | quick decision |
| 速率 | sù lǜ | speed; rate | |
| 速射 | sù shè | rapid-fire | |
| 速效 | sù xiào | quick results | |
| 速效性毒劑 | 速效性毒剂 | sù xiào xìng dú jì | quick-acting agent |
| 速寫 | 速写 | sù xiě | quick sketch |
| 速行 | sù xíng | rush | |
| 同步加速器 | tóng bù jiā sù qì | synchrotron | |
| 無段自動變速箱 | 无段自动变速箱 | wú duàn zì dòng biàn sù xiāng | continuously variable transmission |
| 宣大高速公路 | Xuān dà gāo sù gōng lù | Xuanda Expressway | |
| 迅速 | xùn sù | rapid; speedy; fast | |
| 迅速蔓延 | xùn sù màn yán | rapid spread; to spread rapidly | |
| 音速 | yīn sù | speed of sound | |
| 宇宙速度 | yǔ zhòu sù dù | escape velocity | |
| 約定資訊速率 | 约定资讯速率 | yuē dìng zī xùn sù lǜ | committed information rate (Frame Relay); CIR |
| 兆電子伏特加速器 | 兆电子伏特加速器 | Zhào diàn zǐ fú tè jiā sù qì | Tevatron |
| 直線加速器 | 直线加速器 | zhí xiàn jiā sù qì | linear accelerator |
| 周速 | zhōu sù | cycle time; cycle speed | |
| 最大速率 | zuì dà sù lǜ | maximum speed; maximum velocity |
Click on the pinyin to hear it pronounced. The simplified version is shown only if different from the traditional.
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