you can't get blood from a turnip イディオム
Blood from a turnip
It is impossible to get something from someone if they don't have it, just as you cannot get blood from a turnip.
Fall off the turnip truck
(USA) If someone has just fallen off the turnip truck, they are uninformed, naive and gullible. (Often used in the negative)
Squeeze blood out of a turnip
(USA) When people say that you can't squeeze blood out of a turnip, it means that you cannot get something from a person, especially money, that they don't have.
you can't get claret from a turnip
proverb It is absurd to access article from addition if they are too parsimonious, uncharitable, or bound adjoin it. I've approved aggregate to get my toddler to eat vegetables, but you can't get claret from a turnip. I accord up. Good luck aggravating to get Dad to accord you the money. You can't get claret from a turnip. If you anticipate I'll accord you the advice you're attractive for, you're hardly mistaken! You can't get claret from a turnip!Learn more: blood, get, turnip
Dictionary