[---]

Jyutping ceoi1 bo1 zai2
Pinyin chuī bō zǎi

Definitions (粵典–words.hk)
  1. 動詞
    接受​酒精​呼氣測​試​嘅​俗​稱
    (colloquial) to take a breath test (for alcohol); literally: to blow a small ball
    • 佢畀警察截停吹波仔。
      佢畀警察截停吹波仔。
      keoi5 bei2 ging2 caat3 zit3 ting4 ceoi1 bo1 zai2.
      She was stopped by the police and asked to take a breath test.
Definitions (Wiktionary)
  1. noun, Cantonese, colloquial
    to take a breath test with a breathalyzer

[---]

Jyutping ceoi1 bo1 zai2
Pinyin chuī bō zǐ

Definitions (CC-CANTO)
  1. to take an alcohol breathalyzer test [colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    佢畀警察截停吹波仔。
    佢畀警察截停吹波仔。
    keoi5 bei2 ging2 caat3 zit3 ting4 ceoi1 bo1 zai2.
    • She was stopped by the police and asked to take a breath test.