mastermind with painstaking effort;be elaborative in the undertaking;manage painstakingly;painstakingly build up (an enterprise, etc.);elaboration ;

He didn't resent taking pains to assure the financial security of his family.
为了使他的家庭在经济上有保障而苦心经营,他对此毫无怨言.
来源:词典精选例句The garment store they so painstakingly built up also ended in failure.
他们苦心经营的服装商店也以失败而告终.
来源:《现代汉英综合大词典》Some wore the cunning look of bargaining and plotting, some were anxious and eager.
有的带着斤斤计较的苦心经营的诡诈面孔, 有的很着急很迫切.
来源:互联网摘选It took the company quite some years to work up a market for its products.
该公司苦心经营了多年才为自己的产品开辟了市场.
来源:《简明英汉词典》Over the years, they took great pains to grow the business into a multi-national corporation.
多年来, 他们苦心经营,将企业发展成一间跨国公司.
来源:互联网摘选At the end, he ground out the enormous " Biography of George Washington ".
最后, 他苦心经营总算写成 卷帙浩繁 的《华盛顿传》.
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