Their captors told them they would be killed unless they cooperated.

抓住他们的人说如果他们不配合就杀掉他们。

《牛津词典》

You cannot take anyone along unless they pay or you pay for them.

你不能带任何人一起去，除非他们付钱或者你帮他们付钱。

youdao

They're not really well-regulated unless they adhere to some industry standard.

除非他们遵守一些行业标准，否则他们并没有真正得到很好的监管。

youdao

In February,Senator Lamar Alexander warned higher education leaders that they risk rejection unless they lower the cost of attending college.

VOA: special.2009.07.23

When a slave is freed--and in the Ancient World, in the Roman Empire, most slaves were eventually freed, - unless they just died before long-- they became a freed man.

当一名奴隶被释放。。。在古罗马帝国，几乎所有奴隶最终都会被释放，除非他们很早就去世-,成为脱离奴隶身份的人。

耶鲁公开课 - 新约课程节选

Maybe other principles of hermeneutics will place much more stress on innovation or novelty or difference, but you're not sure people can understand unless they share a great deal of common ground."

也许诠释学的其他原则更强调,创新，独树一帜，与众不同，但你不能保证人们都能理解,除非他们有很多相同之处“

耶鲁公开课 - 文学理论导论课程节选

Foreign journalists are not allowed into the country, unless they pretend to be tourists.

ECONOMIST: The hopes kindled by the saffron revolution have faded fast

It also excludes those who voluntarily submit to justice, unless they are implicated later in fresh crimes.

ECONOMIST: Colombia contemplates extraditing its drugsters

Unless they have paid a store assistant or porter to carry their purchases for them, that is.

BBC: A shopaholic's guide to Doha