get blood from a stone
US /ɡɛt blʌd frəm ə stoʊn/
UK /ɡɛt blʌd frəm ə stoʊn/
1.
痴心妄想, 缘木求鱼
to try to obtain something that is very difficult or impossible to get, especially money or information from someone who is unwilling to give it
:
•
Trying to make him pay back the loan is like trying to get blood from a stone.
想让他还钱简直是痴心妄想。
•
Getting any information from the uncooperative witness was like trying to get blood from a stone.
从那个不合作的证人那里获取任何信息都像是痴心妄想。