一棒子打死

yībàngzidǎsǐ

to completely negate; to totally repudiate someone due to a minor error

Wiktionary

Entry Composition

1 一 yī
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
2 棒子 bàngzi
  1. stick
  2. club
  3. cudgel
  4. maize (corn)
  5. ear of maize
  6. corncob
  7. (derog.) Korean
3 打死 dǎsǐ
  1. to kill
  2. to beat to death