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Jyutping tou3 tou3
Pinyin tào tao

Definitions (CC-CEDICT)
  1. methods
  2. the old tricks
  3. (slang) condom
Definitions (Wiktionary)
  1. noun, colloquial
    old rules; conventions
  2. noun, Jin, colloquial
    methods; ways
    (syn.) 作法, 方法, 行法, 路径, 道術, 蹊径, 渠道, 辦法, 對策, 工具, 门道, 路子, 做法, 措施, 方式, 诀窍, 門路, 訣竅, 门径, 法度, 对策, 門徑, 途徑, 竅門, 門道, 道理, 主意, 路徑, 途径, 進路, 卯窍, 蹊徑, 门路, 法子, 办法, 管道, 门头, 手段, 头路, 卯竅, 窍门儿, 頭路, 道术, 道道, 竅門兒, 进路, 窍门, 門頭
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    佢导演嘅戏都好受欢迎,套套都过千万票房。
    佢導演嘅戲都好受歡迎,套套都過千萬票房。
    keoi5 dou6 jin2 ge3 hei3 dou1 hou2 sau6 fun1 jing4, tou3 tou3 dou1 gwo3 cin1 maan6 piu3 fong4
    • All movies directed by him are very popular, and each ends up making over ten million dollars at the box office.
Examples (Wiktionary)
  1. Mandarin
    说到这里,我想起另一个类似的科学体系——达尔文的物种起源学说,许多人曾指责所谓“适者生存”不过是一种套套逻辑,因为任何生物性状都可以被解释为对环境的适应。
    説到這裏,我想起另一個類似的科學體系——達爾文的物種起源學説,許多人曾指責所謂“適者生存”不過是一種套套邏輯,因為任何生物性狀都可以被解釋為對環境的適應。
    shuō dào zhè lǐ , wǒ xiǎng qǐ lìng yī ge lèi sì de kē xué tǐ xì — dá ěr wén de wù zhǒng qǐ yuán xué shuō , xǔ duō rén céng zhǐ zé suǒ wèi “ shì zhě shēng cún ” bù guò shì yī zhǒng tào tao luó ji , yīn wèi rèn hé shēng wù xìng zhuàng dōu kě yǐ bèi jiě shì wéi duì huán jìng de shì yìng .
    • Speaking of this, I thought another similar scientific system—Darwin's theory of the origin of the species. Many people have criticized the so-called "survival of the fittest" for being a tautology because any biological trait can be explained as adaptation to the environment.