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Jyutping daa2 siu2 bou3 gou3
Pinyin dǎ xiǎo bào gào

Definitions (CC-CEDICT)
  1. (coll.) to tattletale; to rat on sb
Definitions (粵典–words.hk)
  1. 動詞
    暗中​背叛​、​透露​秘密​、​私底下​嘅​消息​畀​上級
    to rat on somebody or something; to tell on somebody; to calumniate somebody to superiors (often implying that changes are untrue, rather than "squeeling" about on actual offense)
    • 你哋唔好隨便講嘢啊,小心有人打小報告畀老闆啊!
      你哋唔好随便讲嘢啊,小心有人打小报告畀老板啊!
      nei5 dei6 m4 hou2 ceoi4 bin2 gong2 je5 aa3, siu2 sam1 jau5 jan4 daa2 siu2 bou3 gou3 bei2 lou5 baan2 aa3!
      Don't talk carelessly, be careful that someone may rat on you!
  2. 近義詞
    篤背脊
Definitions (Wiktionary)
  1. verb, colloquial, verb-object
    to rat on (someone to one's superiors); to tell on; to tattle
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Examples (粵典–words.hk)
  1. Cantonese
    你哋唔好随便讲嘢啊,小心有人打小报告畀老板啊!
    你哋唔好隨便講嘢啊,小心有人打小報告畀老闆啊!
    nei5 dei6 m4 hou2 ceoi4 bin2 gong2 je5 aa3, siu2 sam1 jau5 jan4 daa2 siu2 bou3 gou3 bei2 lou5 baan2 aa3!
    • Don't talk carelessly, be careful that someone may rat on you!