| 轨 | [ guǐ  ]    course, path, track, rail | 
| 轨域 | [ guǐ yù  ]    (Tw) (quantum mechanics) orbital | 
| 轨枕 | [ guǐ zhěn  ]    sleeper, tie | 
| 轨范 | [ guǐ fàn  ]    standard, criterion | 
| 轨距 | [ guǐ jù  ]    gauge | 
| 轨迹 | [ guǐ jì  ]    locus, orbit, trajectory, track | 
| 轨迹球 | [ guǐ jì qiú  ]    trackball (computing) | 
| 轨道 | [ guǐ daò  ]    track (for trains etc), orbit (of a satellite), (fig.) a person's established path in life, desired trajectory (of a business or other endeavor), (audio engineering) track, (quantum mechanics) orbital | 
| 轨道交通 | [ guǐ daò tōng  ]    metro, rapid transit, subway | 
| 轨道空间站 | [ guǐ daò kōng jiān zhàn  ]    orbiting space station | 
| 轨道舱 | [ guǐ daò cāng  ]    orbital module, orbital cabin | 
| ⇒ 上轨道 | [ shàng guǐ daò  ]    to stay on track, to proceed smoothly | 
| ⇒ 不轨 | [ bù guǐ  ]    errant | 
| ⇒ 低地轨道 | [ dī dì guǐ daò  ]    see 近地軌道|近地轨道[jin4 di4 gui3 dao4] | 
| ⇒ 入轨 | [ rù guǐ  ]    to enter orbit | 
| ⇒ 出轨 | [ chū guǐ  ]    derailment (railway accident), to leave the rails, fig. to overstep bounds, fig. to have an extramarital affair | 
| ⇒ 单轨 | [ dān guǐ  ]    monorail | 
| ⇒ 圆轨道 | [ yuán guǐ daò  ]    circular orbit (in astronomy and in astronautics) | 
| ⇒ 地球轨道 | [ dì qiú guǐ daò  ]    earth orbit | 
| ⇒ 导轨 | [ daǒ guǐ  ]    (mechanics) guide rail, slideway | 
| ⇒ 常轨 | [ cháng guǐ  ]    normal practice | 
| ⇒ 接轨 | [ jiē guǐ  ]    railtrack connection, to integrate into sth, to dock, to connect, to be in step with, to bring into line with, to align | 
| ⇒ 有轨 | [ yoǔ guǐ  ]    tracked (tramcar) | 
| ⇒ 有轨电车 | [ yoǔ guǐ diàn chē  ]    streetcar, tramcar, tram | 
| ⇒ 正轨 | [ zhèng guǐ  ]    the right track | 
| ⇒ 无轨 | [ wú guǐ  ]    trackless | 
| ⇒ 无轨电车 | [ wú guǐ diàn chē  ]    trolleybus | 
| ⇒ 磁轨炮 | [ cí guǐ paò  ]    railgun | 
| ⇒ 继轨 | [ jì guǐ  ]    to follow in the steps of | 
| ⇒ 脱轨 | [ tuō guǐ  ]    to leave the rails, to derail, to jump the track | 
| ⇒ 卧轨 | [ wò guǐ  ]    to lie across the railway tracks (to commit suicide or to prevent trains from getting through) | 
| ⇒ 护轨 | [ hù guǐ  ]    (railway) guard rail | 
| ⇒ 越轨 | [ yuè guǐ  ]    to run off the track, to step out of line, to overstep the bounds of propriety | 
| ⇒ 路轨 | [ lù guǐ  ]    track (railroad, streetcar etc) | 
| ⇒ 载人轨道空间站 | [ zaì rén guǐ daò kōng jiān zhàn  ]    manned orbiting space station | 
| ⇒ 轻型轨道交通 | [ qīng xíng guǐ daò tōng  ]    light rail, transit system (underground, at street level or elevated), streetcar, metro, abbr. to 輕軌|轻轨[qing1 gui3] | 
| ⇒ 轻轨 | [ qīng guǐ  ]    light rail, transit system (underground, at street level or elevated), streetcar, metro, abbr. for 輕型軌道交通|轻型轨道交通[qing1 xing2 gui3 dao4 jiao1 tong1] | 
| ⇒ 转轨 | [ zhuǎn guǐ  ]    to change track | 
| ⇒ 近地轨道 | [ jìn dì guǐ daò  ]    low Earth orbit (LEO) | 
| ⇒ 退休金双轨制 | [ tuì xiū jīn shuāng guǐ zhì  ]    see 養老金雙軌制|养老金双轨制[yang3 lao3 jin1 shuang1 gui3 zhi4] | 
| ⇒ 送上轨道 | [ sòng shàng guǐ daò  ]    to send into orbit | 
| ⇒ 遐轨 | [ xiá guǐ  ]    long-established rules of conduct | 
| ⇒ 铺轨 | [ pū guǐ  ]    to lay railway track | 
| ⇒ 钢轨 | [ gāng guǐ  ]    steel rail | 
| ⇒ 链轨 | [ liàn guǐ  ]    caterpillar track (propulsion system used on bulldozers etc) | 
| ⇒ 铁轨 | [ tiě guǐ  ]    rail, railroad track, CL:根[gen1] | 
| ⇒ 双轨 | [ shuāng guǐ  ]    double-track, parallel tracks, dual-track (system) | 
| ⇒ 音轨 | [ yīn guǐ  ]    sound track, track number (e.g. on a CD) | 
| ⇒ 养老金双轨制 | [ yǎng laǒ jīn shuāng guǐ zhì  ]    dual pension scheme (PRC) |