退堂鼓 [－－－]

Jyutping teoi3 tong4 gu2
Pinyin tuì táng gǔ

Definitions (Wiktionary)
  1. noun, figuratively
    flinching from difficulty; backing out; retreat
  2. noun, historical
    drum used at the end of a court hearing
Examples (粵典–words.hk)
  1. Cantonese
    只系比赛咗一半啫，你咁快打退堂鼓认输嗱？
    只係比賽咗一半啫，你咁快打退堂鼓認輸嗱？
    zi2 hai6 bei2 coi3 zo2 jat1 bun3 ze1, nei5 gam3 faai3 daa2 teoi3 tong4 gu2 jing6 syu1 laa4?
    • It's just half-time and you are already giving up?