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Jyutping lei5 leon6 soeng5
Pinyin lǐ lùn shang

Definitions (Wiktionary)
  1. adv
    theoretically; in theory
    • 我覺得這個想法理論上沒有錯,不過實踐操作起來難度會很大。
      我觉得这个想法理论上没有错,不过实践操作起来难度会很大。
      wǒ jué de zhè ge xiǎng fǎ lǐ lùn shàng méi yǒu cuò , bù guò shí jiàn cāo zuò qǐ lái nán dù huì hěn dà .
      I think this idea is not wrong in theory, but it will be very difficult to put into practice.

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Jyutping lei5 leon6 soeng5
Pinyin lǐ lùn shàng

Definitions (Wiktionary)
  1. adv
    theoretically; in theory
    • 我覺得這個想法理論上沒有錯,不過實踐操作起來難度會很大。
      我觉得这个想法理论上没有错,不过实践操作起来难度会很大。
      wǒ jué de zhè ge xiǎng fǎ lǐ lùn shàng méi yǒu cuò , bù guò shí jiàn cāo zuò qǐ lái nán dù huì hěn dà .
      I think this idea is not wrong in theory, but it will be very difficult to put into practice.

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Jyutping lei5 leon6 soeng6
Pinyin lǐ lùn shàng

Definitions (粵典–words.hk)
  1. 副詞
    根據​理論​嚟​講
    theoretically
    • 理論上任何人都可以提出異議,不過通常都冇人會出聲。
      理论上任何人都可以提出异议,不过通常都冇人会出声。
      In theory anybody can raise objections, but usually nobody speaks up.
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

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Jyutping lei5 leon6 soeng6
Pinyin lǐ lùn shang

Definitions (CC-CANTO)
  1. (adverb) theoretically
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    理论上说,理论和实践没有区别。但实践上说,是有的。
    理論上説,理論和實踐沒有區別。但實踐上説,是有的。
    lǐ lùn shàng shuō , lǐ lùn hé shí jiàn méi yǒu qū bié 。 dàn shí jiàn shàng shuō , shì yǒu de 。
    • In theory, there is no difference between theory and practice. But, in practice, there is.
  2. Mandarin
    理论上,我正在做数学。
    理論上,我正在做數學。
    lǐ lùn shàng , wǒ zhèng zài zuò shù xué 。
    • Theoretically, I'm doing math.
Examples (粵典–words.hk)
  1. Cantonese
    理论上
    理論上
    lei5 leon6 soeng6
    • in theory
  2. Cantonese
    理论上任何人都可以提出异议,不过通常都冇人会出声。
    理論上任何人都可以提出異議,不過通常都冇人會出聲。
    • In theory anybody can raise objections, but usually nobody speaks up.
Examples (Wiktionary)
  1. Mandarin
    在理论上
    在理論上
    zài lǐ lùn shàng
    • according to theory
  2. Mandarin
    我觉得这个想法理论上没有错,不过实践操作起来难度会很大。
    我覺得這個想法理論上沒有錯,不過實踐操作起來難度會很大。
    wǒ jué de zhè ge xiǎng fǎ lǐ lùn shàng méi yǒu cuò , bù guò shí jiàn cāo zuò qǐ lái nán dù huì hěn dà .
    • I think this idea is not wrong in theory, but it will be very difficult to put into practice.
  3. Mandarin
    我们如果仅仅读了他们的著作,但是没有进一步地根据他们的理论来研究中国的历史实际和革命实际,没有企图在理论上来思考中国的革命实践,我们就不能妄称为马克思主义的理论家。
    我們如果僅僅讀了他們的著作,但是沒有進一步地根據他們的理論來研究中國的歷史實際和革命實際,沒有企圖在理論上來思考中國的革命實踐,我們就不能妄稱為馬克思主義的理論家。
    wǒ men rú guǒ jǐn jǐn dú le tā men de zhù zuò , dàn shì méi yǒu jìn yī bù de gēn jù tā men de lǐ lùn lái yán jiū zhōng guó de lì shǐ shí jì hé gé mìng shí jì , méi yǒu qǐ tú zài lǐ lùn shàng lái sī kǎo zhōng guó de gé mìng shí jiàn , wǒ men jiù bù néng wàng chēng wéi mǎ kè sī zhǔ yì de lǐ lùn jiā .
    • If we merely read their works but do not proceed to study the realities of China's history and revolution in the light of their theory or do not make any effort to think through China's revolutionary practice carefully in terms of theory, we should not be so presumptuous as to call ourselves Marxist theorists.