To get a slim figure, Fanny has tried many ways, but in vain. So now she is reduced to not eating anything for supper.

为了得到苗条的身材，范妮尝试了许多方法，但都是徒劳的。所以现在她晚饭什么也不吃了。

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The lads searched and researched this place, but in vain.

小家伙们一遍遍地搜索了这个地方，但没有找到。

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Heidi struggled constantly against her sorrow, but in vain.

海蒂不断地与悲伤作斗争，但白费力气。

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"But I hope that the love that people have shown will make you know he didn't live in vain,".

VOA: standard.2009.07.07

Stores hoping to increase loyalty are starting to promote giveaways and improve service, but often in vain.

ECONOMIST: Retailing in China

"For the past two years I have tried every effort to save LCD from falling apart, but all in vain, " Mr Mosisili said.

BBC: Lesotho's PM Pakalitha Mosisili deserts political party

But it waited in vain, with the exception of a massive tome by Guenther Grass, which many possess but few seem to have read, most authors have been strangly silent on the subject.

BBC: Post-unification novel divides Germany