He was once regarded as one of Mr. Brown's closest political advisers.

他曾一度被认为是与布朗先生关系最密切的政治顾问之一。

《柯林斯英汉双解大词典》

PLASTICS were once regarded as wonder-materials.

塑料曾被认为是神奇的材料。

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What was once regarded as a peculiarity of lesser organisms has now been found to be true in human beings, too.

曾经被认为是较少生物体拥有的特性，现已被发现在人类身上也是真实存在的。

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Anti-fraud measures, principally chip-and-pin, are showing success in other areas once regarded as a big problem.

BBC: NEWS | Business | Surge in credit card fraud abroad

Lunch in Italy was once regarded as the most important meal of the day.

CNN: Eating sunup to sundown in Bologna, Italy

"The Old Bunch" is a reminder of why novelists were once regarded as gods gods in the sense of being omniscient.

WSJ: The Old Bunch | Meyer Levin | Destiny's Children | Masterpiece by Joseph Epstein