It was an astonishing achievement.

那是一项惊人的成就。

youdao

It would be an astonishing achievement if it happens and works.

如果情况真的能如此的话，这将是一个令人惊奇的成就。

youdao

Beating the mighty Clinton machine is an astonishing achievement.

击败强大的克林顿团队已经是一项了不起的成就。

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Democracy's singular, rather astonishing achievement has been to keep India united as a political space.

BBC: Why India is at a crucial crossroads

It's an astonishing achievement by any standards, but Kepler's enduring legacy may be much more profound that its contribution to a simple head count of exoplanets.

BBC: From counting to characterising exoplanets

As the 2013 season approaches, Ichiro, the Yankees' right fielder, stands 394 away from reaching 3, 000 major-league hits an astonishing achievement considering he didn't move to the U.S. until his age-27 season.

WSJ: Eyeing a Stunning Milestone