白老鼠 [－－－]

Jyutping baak6 lou5 syu2
Pinyin bái lǎo shǔ

Definitions (粵典–words.hk)
  1. 名詞
    科學​、​心理​學實驗​中​畀​人​研究​嘅​白色​老鼠​，​通常​係​褐鼠​或者​小家鼠
    white rat in laboratories
    • 好多實驗室都準備減少用白老鼠。
      好多实验室都准备减少用白老鼠。
      Laboratories tend to reduce the use of white rats in future.
  2. 名詞
    借代​做​試驗品​或者​試驗​對象
    test subjects
    • 唔好當自己係白老鼠亂咁食藥減肥啦。
      唔好当自己系白老鼠乱咁食药减肥啦。
      Don't try weight loss pills yourself like a laboratory rat.
Definitions (Wiktionary)
  1. noun, figuratively
    lab rat; guinea pig; experimental subject
  2. noun
    laboratory rat; lab rat

白老鼠 [－－－]

Jyutping baak6 lou5 syu2
Pinyin bái lǎo3shu

Definitions (CC-CANTO)
  1. a guinea pig, a person or thing used as a subject for experiment [written and colloquial]
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    黑猫在吃一只白老鼠。
    黑貓在吃一隻白老鼠。
    hēi māo zài chī yī zhī bái lǎo shǔ 。
    • The black cat is eating a white rat.
Examples (粵典–words.hk)
  1. Cantonese
    好多实验室都准备减少用白老鼠。
    好多實驗室都準備減少用白老鼠。
    • Laboratories tend to reduce the use of white rats in future.
  2. Cantonese
    唔好当自己系白老鼠乱咁食药减肥啦。
    唔好當自己係白老鼠亂咁食藥減肥啦。
    • Don't try weight loss pills yourself like a laboratory rat.