竭尽精力与心思。 清．王念孙〈广雅疏证序〉：「殚精极虑，十年于兹。」
英语 to exhaust one's thoughts and ingenuity (idiom); to think sth through thoroughly, to rack one's brains, to leave no stone unturned
【解释】犹殚思极虑。竭尽智谋与精力。
【出处】明·张居正《翰林院读书说》：“训诰典谟，圣人岂殚精极虑作意而为之者哉。”