The phrase "milk the bull" may have originated from the idea that bulls are male and therefore cannot produce milk, making the act of milking a bull pointless and impossible. This phrase is used to describe a situation where someone is attempting to do something that is impossible or to try to extract something from a situation or person that is not possible.

What is the origin of the idiom "milk the bull" and when to use it?

“ milk the bull”的英语定义和含义

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