cautionary

警告的，告诫的adj.

• In her conclusion, the author sounds a cautionary note.

  作者在结尾时敲响了警钟。

• "It's an important, cautionary note that we shouldn't get too carried away with the idea that a computer system can replace doctors and therapists," says Christopher Dowrick, a professor of primary medical care at the University of Liverpool.

  利物浦大学负责基层医疗保健的克里斯托弗·多里克教授说：“这是一个重要的警告，我们不应该被计算机系统可以取代医生和治疗师的想法冲昏头脑。”

• Venus has long been held up as a cautionary tale for everything that could go wrong on a planet like earth.

  金星一直都在告诫我们，像地球这样的星球如果出问题会是什么样子。