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Jyutping lou5 sang1 soeng4 taam4
Pinyin lǎo shēng cháng tán

Definitions (CC-CEDICT)
  1. an old observation (idiom)
  2. a truism
  3. banal comments
Definitions (CC-CANTO)
  1. platitude
Definitions (粵典–words.hk)
  1. 名詞
    成​日用​而​冇​新意​嘅​説​話
    platitude; cliché; literally: platitudes of an old scholar
Definitions (Wiktionary)
  1. phrase, idiomatic
    clichés; trite remarks; platitude
    (syn.) 陈词滥调, 陳詞濫調
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    今天的激进也许是明天的老生常谈。
    今天的激進也許是明天的老生常談。
    jīn tiān de jī jìn yě xǔ shì míng tiān de lǎo shēng cháng tán 。
    • What's radical today may be cliché tomorrow.
Examples (粵典–words.hk)
  1. Cantonese
    老生常谈
    老生常談
    lou5 sang1 soeng4 taam4
    • platitude