快 kuài rapid / quick / speed / rate / soon / almost / to make haste / clever / sharp (of knives or wits) / forthright / plainspoken / gratified / pleased / pleasant syn 电 電 diàn lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc syn 速度 sù dù speed / rate / velocity / (music) tempo / CL:個|个[ge4] syn 快速 kuài sù fast / high-speed / rapid syn 闪电 閃電 shǎn diàn lightning / CL:道[dao4] syn 加速 jiā sù to speed up / to expedite syn 高速 gāo sù high speed / expressway (abbr. for 高速公路[gao1su4 gong1lu4]) syn 加快 jiā kuài to accelerate / to speed up syn 减速 減速 jiǎn sù to reduce speed / to slow down syn 时速 時速 shí sù speed per hour 光速 guāng sù the speed of light 奔驰 奔馳 bēn chí to run quickly / to speed / to gallop syn 飞车 飛車 fēi chē fast-moving vehicle / to drive or ride a vehicle at high speed 超速 chāo sù to exceed the speed limit / to speed / high-speed 全速 quán sù top speed / at full speed syn 飞快 飛快 fēi kuài very fast / at lightning speed / (coll.) razor-sharp syn 急速 jí sù hurried / at a great speed / rapid (development) syn 萤火虫 螢火蟲 yíng huǒ chóng firefly / glowworm / lightning bug syn 雷电 雷電 léi diàn thunder and lightning syn 风速 風速 fēng sù wind speed 划破 劃破 huá pò to cut open / to rip / to streak across (lightning, meteor etc) / to pierce (scream, searchlight etc) 加紧 加緊 jiā jǐn to intensify / to speed up / to step up syn 飞驰 飛馳 fēi chí to speed / to rush syn 限速 xiàn sù speed limit 车速 車速 chē sù vehicle speed 音速 yīn sù speed of sound syn 速率 sù lǜ speed / rate 火速 huǒ sù at top speed / at a tremendous lick syn 雷击 雷擊 léi jī lightning strike / thunderbolt 变速器 變速器 biàn sù qì gearbox / speed changer / gear 开足马力 開足馬力 kāi zú mǎ lì to accelerate at full power (idiom) / at full speed / fig. to work as hard as possible syn 奔流 bēn liú to flow at great speed / to pour / racing current syn 电光 電光 diàn guāng electric light / lightning / electro-optical 电闪 電閃 diàn shǎn lightning flashes syn 低速 dī sù low speed 避雷针 避雷針 bì léi zhēn lightning rod 航速 háng sù speed (of ship or plane) 提速 tí sù to increase the specified cruising speed / to pick up speed / to speed up syn 疾驰 疾馳 jí chí to speed along syn 变速 變速 biàn sù to change speed / to shift gear / variable-speed 风驰电掣 風馳電掣 fēng chí diàn chè fast as lightning syn 开快车 開快車 kāi kuài chē to drive at high speed / (fig.) rush through one's work syn 流速 liú sù flow speed / rate of flow 疾驶 疾駛 jí shǐ (of a vehicle) to travel at high speed syn 新干线 新幹線 xīn gàn xiàn Shinkansen (Japanese high-speed train) 快慢 kuài màn speed syn 调速 調速 tiáo sù to adjust the speed 疾速 jí sù very fast / at high speed syn 增速 zēng sù to speed up / to accelerate / (economics) growth rate syn 实测 實測 shí cè to take measurements / measured (speed etc) / observed (as opposed to "estimated") / observational (astronomy) 划过 划過 huá guò (of a meteor etc) to streak across (the sky) / (of a searchlight, lightning etc) to play across (the sky) 速配 sù pèi fast matchmaking / speed dating / (coll.) (Tw) (of a couple) to be a good match 慢速 màn sù slow / low-speed 兼程 jiān chéng to travel at double speed / to make all haste syn 高铁 高鐵 gāo tiě high speed rail 超高速 chāo gāo sù ultra high speed 快马加鞭 快馬加鞭 kuài mǎ jiā biān to spur the horse to full speed (idiom) / to go as fast as possible syn 速读 速讀 sù dú speed reading 急驰 急馳 jí chí to speed along 避雷器 bì léi qì lightning arrester 电子警察 電子警察 diàn zǐ jǐng chá traffic camera / speed camera / closed-circuit TV police surveillance 劈手 pī shǒu with a lightning move of the hand syn 闪击 閃擊 shǎn jī lightning attack / Blitzkrieg syn 闪 閃 shǎn to dodge / to duck out of the way / to beat it / shaken (by a fall) / to sprain / to pull a muscle / lightning / spark / a flash / to flash (across one's mind) / to leave behind / (Internet slang) (of a display of affection) "dazzlingly" saccharine syn 劈 pī to hack / to chop / to split open / (of lightning) to strike syn 驶 駛 shǐ (of a vehicle, horse etc) to go fast / to speed / (of a vehicle) to run / to go / (of a boat) to sail syn 驰 馳 chí to run fast / to speed / to gallop / to disseminate / to spread syn 闪击战 閃擊戰 shǎn jī zhàn lightning war / Blitzkrieg syn 奋笔疾书 奮筆疾書 fèn bǐ jí shū to write at a tremendous speed syn 电光朝露 電光朝露 diàn guāng zhāo lù flash of lightning, morning dew (idiom) / fig. ephemeral / impermanent 兵贵神速 兵貴神速 bīng guì shén sù lit. speed is a crucial asset in war (idiom) / fig. swift and resolute (in doing sth) syn 乙种粒子 乙種粒子 yǐ zhǒng lì zǐ beta particle (electron, esp. high speed electron emitted by radioactive nucleus) 落雷 luò léi lightning bolt / lightning strike 末速 mò sù speed at the end of the trajectory / speed in the final stage 墙速 qiáng sù wall speed / peripheral speed 减速坎 減速坎 jiǎn sù kǎn speed breaker / speed bump 声速修正 聲速修正 sound velocity correction / velocity correction / sound speed correction / speed of sound correction 采集速度 acquisition speed / towing speed 拖船航速 tuō chuán háng sù acquisition speed / towing speed 探测速度 探測速度 search speed (of search head) / sweeping speed 清雷速度 clearance speed / rate of progress / speed of clearance 清雷进度 清雷進度 clearance speed / rate of progress / speed of clearance 满速 滿速 mǎn sù full speed / at full speed 列缺 liè quē lightning (archaic word) 列缺霹雳 列缺霹靂 liè quē pī lì lightning and thunder 闪电式结婚 閃電式結婚 shǎn diàn shì jié hūn lightning wedding / to get married on the spur of the moment / abbr. to 閃婚|闪婚 雷电计 雷電計 léi diàn jì brontometer / apparatus to measure thunder and lightning 雷电计图 雷電計圖 léi diàn jì tú brontograph / record of thunder and lightning 雷电行动 雷電行動 Operation Lightning Thunder 杀进杀出 殺進殺出 shā jìn shā chū to execute a lightning raid / (investment) to buy, then quickly sell / (tourism) to visit a destination for only a short stay 操作速率 cāo zuò sù lǜ operating speed 传输速率 傳輸速率 chuán shū sù lǜ transmission rate / transmission speed 低速率 dī sù lǜ low speed 高速率 gāo sù lǜ high speed 高速网络 高速網絡 gāo sù wǎng luò high speed network 周速 zhōu sù cycle time / cycle speed 最大速率 zuì dà sù lǜ maximum speed / maximum velocity 京沪高铁 京滬高鐵 jīng hù gāo tiě Beijing-Shanghai High-Speed Railway, completed in 2010 / abbr. for 京滬高速鐵路|京沪高速铁路 全节流 全節流 quán jié liú full throttle / top speed 