成语名称:殚心竭虑:puzzle over(rack one\'s brains)英语: puzzle over(rack one\'s brains)力殚财竭 殚思极虑 财殚力尽 殚心竭虑 殚谋戮力 门殚户尽 殚见洽闻 财殚力痡 殚智竭力...
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