the dangers of giving untested drugs to people将未经检验药物给人吃的危险性

People are encouraged to acquire new skills and experiment with untested methods.人们受到鼓励去获取新技能、尝试新办法。

an untested ballistic missile capable of reaching the western United States一种未经测试、射程可到美国西部的弹道导弹

The Egyptian Army remained an untested force.埃及军队依然有待考验。

All of us were untested for what lay ahead.将要面对的事情是我们大家都没有经历过的。