As with Sisyphus, the boulder was painstakingly rolled upwards only to tumble back down again in an absurd exercise of futility.

和西西弗斯一样，巨石费力地向上滚动，结果又滚了下来，徒劳无功。

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Broken bones were painstakingly pieced together and reshaped.

断裂的骨头被十分小心地拼凑到一起重新成形。

《柯林斯英汉双解大词典》

But on this day at the fort, painstakingly reconstructed stone by stone by Spanish archaeologists with the help of the local population, few visitors are to be found.

VOA: standard.2009.06.04

Under the agreement, painstakingly negotiated with the outgoing Japanese government over several years, the United States will move 8,000 U.S.Marines from the Futenma base on Japan's southern island of Okinawa to the U.S.

VOA: standard.2009.08.31

In the past materials were painstakingly tracked by hand or by programs that required separate entries.

FORBES: Easy Designer

The first complete, painstakingly verified transcripts will be published next week by Harvard University Press.

CNN: Armageddon's Echoes

McKillop has painstakingly built his cancer franchise over the past three decades through homegrown research.

FORBES: Modesty ablaze