Getting money from Simon is like getting blood out of a stone : he just will not pay.

要从西蒙那里得到钱就像缘木求鱼,他决不会给的.

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You cannot get water ( blood ) out of a stone.

石头榨不出水来.老糠榨不出油来. ( 比喻硬心肠的人不会帮助别人. )

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You cannot get blood out of a stone.

石头里榨不出血来.

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