他们生活在非人的条件下。

They were living in subhuman conditions.

《牛津词典》

炸弹在受控条件下被引爆了。

The bomb was exploded under controlled conditions.

《牛津词典》

炸弹销毁专家在受控条件下引爆了这个装置。

Bomb disposal experts exploded the device under controlled conditions.

《牛津词典》

So if you wanna do something conditionally, you generally needs to ask the question, is the following true or false.

假如想在一定条件下做一件事情，你需要判断下这个条件，来看看条件是真还是假。

哈佛公开课 - 计算机科学课程节选

So iron left to own devices in the atmosphere in the presence of a little bit of water, with the water form iron oxide.

铁在大气中，在存在,少量水的条件下，大气会开始与水结合产生氧化铁。

麻省理工公开课 - 热力学与动力学课程节选

Nationally, home prices in the United States rose 85% between 1997 and 2006 in real terms-- in inflation-corrected terms.

在通货膨胀已校正的条件下,美国房价,在1997 年到2006年之间,实质上上涨了85%

耶鲁公开课 - 金融市场课程节选