wouldn't do something for all the tea in China

wouldn't do (something) for all the tea in China

Would not do something for any reason or incentive whatsoever. China has historically been one of the world's largest tea producers. But I absolutely love this jacket—I wouldn't sell it for all the tea in China! God, after my horrible experience this summer, I wouldn't go back to that country again for all the tea in China.
See also: all, china, tea
Farlex Dictionary of Idioms.

wouldn’t do something for all the tea in ˈChina

(informal) never; not for any reason at all: ‘If you marry him you’ll be a rich woman.’ ‘I wouldn’t marry him for all the tea in China.’
See also: all, china, something, tea
Farlex Partner Idioms Dictionary
See also:
  • wouldn't do (something) for all the tea in China
  • not for all the tea in China
  • all the tea in China
  • go down in/make history
  • make history
  • not for the world
  • not on any account
  • not under any circumstance(s)
  • under any circumstances
  • that and (some amount of money) will get you a cup of coffee