Not for all the tea in China
Definition 1 of 1
Pro Tip 1/3Emphatic Rejection
The phrase underlines a strong refusal and is often used to emphasize it in a dramatic way. 
I wouldn't take that job, not for all the tea in China.
Pro Tip 2/3Hyperbolic Expression
The phrase is an example of hyperbole, using exaggeration to make a point, rather than to be taken literally. 
He wouldn't miss the game, not for all the tea in China.
Pro Tip 3/3Cultural Reference
The phrase refers to China's historical association with tea, implying something of enormous value. 
She wouldn't sell her grandfather's watch, not for all the tea in China.