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。

《新英汉大辞典》

They were threatening to dismember an empire that he had painstakingly built up over five decades.

他们威胁将肢解阿道夫•默克尔在50年里辛辛苦苦建立起来的商业帝国。

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These are the people's well-known brands, at the same time, as the Ford Motor Company has so painstakingly built up over the years, the brand itself has great value.

这些都是人们耳熟能详的品牌，同时，由于福特汽车公司多年的苦心经营，这些品牌本身都具有着巨大的价值。

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Another factor is that the United States has not developed the sort of intelligence infrastructure in this region that it painstakingly built up in the tribal areas of Pakistan and Yemen.

CNN: Algeria attack changes terror landscape in North Africa

They are painstakingly cleaning the tomb-sculpture of a 13th-century knight, scrubbing off black grime that has built up over hundreds of years.

WSJ: The Cloisters Opens Up