Half a century on, the euphoria is long gone.

半个世纪过去了，当时的欢欣鼓舞已早早烟消云散。

youdao

Half a century on, he is still waiting for his lunar excursion.

半个世纪过去了，他们仍在等待月球旅行。

youdao

A skipper of the White Swan, he has spent almost half a century on the river and he is about to retire.

佟船长是白天鹅号船长，往来长江近半个世纪，如今行将退休。

youdao

When the search began, a half-century ago, it seemed sensible to assume that as technological civilization increased on a planet, more and more signals would be broadcast into space.

VOA: standard.2010.04.16

More than 90 South Koreans passed through checkpoints Saturday to cross the heavily armed border between North and South Korea, on their way to bittersweet reunions half a century in the making.

VOA: standard.2009.09.26

The Liberal Democratic Party suffered an embarrassing defeat in the Tokyo Metropolitan Election a few weeks ago, and it is expected to lose its half-century hold on Japanese politics in the August 30 general election.

VOA: standard.2009.07.27

"Half a century on, we cannot avoid the conclusion that ENA has produced nothing more than an omnipotent 'caste' capable of only one thing: planning its members' career-paths, " said Jean-Michel Fourgous and Herve Novelli.

BBC: Call to close elite French college

With more than half a century of history on their backs, the company seems to be doing a good job at rejuvenating itself.

FORBES: Dunkin's Asset-Light Platform For Franchisee Entrepreneurs Pushes It Past Competitors

With a gritty half century on the scoreboard, the Essex left-hander expanded his repertoire of strokes with a series of boundaries down the ground, as well as through cover.

BBC: England toil as S Africa dominate