Half a million women die needlessly each year during childbirth.

每年有50万妇女在分娩时不必要地死去。

《柯林斯英汉双解大词典》

Meanwhile, some of the best students from Japan and Korea for example were needlessly pessimistic even though they did far better in maths than almost all of other students.

与此同时，尽管日本和韩国一些最优秀的学生的数学成绩远远好于几乎其他所有学生，他们也会有不必要的悲观想法。

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Many soldiers died needlessly.

许多战士白白地牺牲了。

《牛津词典》

To patriots who are not members of organized resistance groups, I say: Continue your passive resistance, but do not needlessly endanger your lives.

VOA: special.2011.06.16

beauty pageants take the time needlessly of both the participants and the viewers

选美比赛占用了参赛选手以及观众不必要的时间。

选美大会，很不错 - SpeakingMax英语口语达人

About 450, 000 Americans die needlessly each year from inhaling the toxins and carcinogens in smoke.

FORBES: How Health Regulators Are Killing American Smokers

Some say a tax credit that needlessly spends government money will only hurt homebuyers.

FORBES: Magazine Article

So the Easter break combined with the dry conditions is seeing our resources needlessly stretched.

BBC: Cumbria locator