She tried unsuccessfully to twist free.

她试图挣脱身子，但无济于事。

《牛津词典》

She stood unsuccessfully as a candidate in the local elections.

她参加了地方选举，但未能当选。

《牛津词典》

He has been trying unsuccessfully to sell the business in one piece since early last year.

自去年年初起，他一直没法成功地把整个企业一起卖掉。

《柯林斯英汉双解大词典》

Microsoft,in its struggle against Google, tried unsuccessfully last year to buy Yahoo for more than forty billion dollars.

VOA: special.2009.07.17

Police say they want to talk to the doctor, who was with Jackson when he fell ill and unsuccessfully tried to resuscitate him.

VOA: standard.2009.06.26

Taylor's previous brush with Grammy fame came in 2008, when she unsuccessfully competed for Best New Artist.

VOA: standard.2010.01.25

Last year it tried unsuccessfully to sell its mortgage division to reduce earnings volatility.

FORBES: Breaking Up Is Good to Do

Before Smell-O-Vision, other motion pictures had unsuccessfully tried to use aromas in disjointed and haphazard ways.

CNN: Apparently This Matters: Smell-O-Vision for your phone

The speaker of parliament and other prominent Yemeni politicians agitated unsuccessfully for his release.

NEWYORKER: The Rebellion Within