blood out of a stone

== English == === Noun === blood from a stone (uncountable) Something that cannot be obtained, regardless of how much force or persuasion is used. ==== Usage notes ==== Used with such verbs as get, draw, squeeze, wring and want. Often found in the proverbial form: You can't get blood from a stone. ==== See also ==== get blood from a stone get blood out of a stone blood from a turnip