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Jyutping gwong1 cuk1
Pinyin guāng sù

Definitions (CC-CEDICT)
  1. the speed of light
Definitions (粵典–words.hk)
  1. 副詞、潮語
    比喻​好快
    fast; quickly; speedily
    • 佢今晚約咗人食飯,所以光速做完嘢。
      佢今晚约咗人食饭,所以光速做完嘢。
      keoi5 gam1 maan5 joek3 zo2 jan4 sik6 faan6, so2 ji5 gwong1 cuk1 zou6 jyun4 je5.
      She asked someone to have dinner together tonight, so she finished her tasks quickly.
  2. 反義詞
    龜速
  3. 名詞
    光移​動​嘅​速度​;​通常​指​光​喺​真空​入​面​嘅​速度​,​相等​於​每秒​約​30​萬​公里
    speed of light
Definitions (Wiktionary)
  1. noun
    the speed of light
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    光速比音速快很多。
    光速比音速快很多。
    guāng sù bǐ yīn sù kuài hěn duō 。
    • The speed of light is much greater than that of sound.
    • Light is much faster than sound.
  2. Mandarin
    光速比音速快,所以某些人在开口前,看起来还挺聪明的。
    光速比音速快,所以某些人在開口前,看起來還挺聰明的。
    guāng sù bǐ yīn sù kuài , suǒ yǐ mǒu xiē rén zài kāi kǒu qián , kàn qǐ lai hái tǐng cōng ming de 。
    • It is because light travels faster than sound that some people look brilliant before sounding stupid.
  3. Mandarin
    光速比音速快,所以有些人乍看之下很聪明,等到听到他们开口说话,愚笨的本性才表露无遗。
    光速比音速快,所以有些人乍看之下很聰明,等到聽到他們開口説話,愚笨的本性才表露無遺。
    guāng sù bǐ yīn sù kuài , suǒ yǐ yǒu xiē rén zhà kàn zhī xià hěn cōng ming , děng dào tīng dào tā men kāi kǒu shuō huà , yú bèn de běn xìng cái biǎo lù wú yí 。
    • It is because light travels faster than sound that some people look brilliant before sounding stupid.
Examples (Tatoeba—Cantonese-English)
  1. Cantonese
    光速快过音速好多。
    光速快過音速好多。
    gwong1 cuk1 faai3 gwo3 jam1 cuk1 hou2 do1 。
    • The speed of light is much greater than that of sound.
Examples (粵典–words.hk)
  1. Cantonese
    佢今晚约咗人食饭,所以光速做完嘢。
    佢今晚約咗人食飯,所以光速做完嘢。
    keoi5 gam1 maan5 joek3 zo2 jan4 sik6 faan6, so2 ji5 gwong1 cuk1 zou6 jyun4 je5.
    • She asked someone to have dinner together tonight, so she finished her tasks quickly.
  2. Cantonese
    光速
    光速
    gwong1 cuk1
    • speed of light