What's that got to do with the price of tea in China rhetorical question
Said in conversation when you mean a statement that has just been made does not seem to follow what was said before in any natural or logical way.
Yeah, Indian food is delicious, but what's that got to do with the price of tea in China? We're talking about academic performance-not related to what you've mentioned at all.
A: Philosophy is a crucial subject in tertiary education. B: Yeah, I agree, but what's that got to do with the price of tea in China? I've just asked you what subject you liked.
This rhetorical question was formed based on the meaning of the phrase "price of tea in China," which dates from around 19th century.
If you swallow the bait, you take something that someone offers you, or agree to do something that someone asks you to do without knowing that it is a trick or way of getting something from you.
You can't just do whatever he wants you to do. Don't swallow the bait.