She labored on her book for three years.

她辛苦了三年写那本书。

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Three years passed. Still Matajuro labored on.

三年过去了，Matajuro依然如此。

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I labored on, prying up one stubborn root after another.

我前进，无休止的一个顽固的根源。

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The Jarbidge contingent then traveled to Tombstone, hiked up the mountain and labored on the pipeline.

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They are four generations removed from the sweatshops where their great grandparents labored on New York's Lower East Side.

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Pitchford says that the finished Forever will be completely up to date but still the game 3D Realms labored on for a decade and a half.

FORBES: Magazine Article