I should have recognised the danger signs then.

我那时本应该意识到那是个危险的征兆。

It teaches them how to recognize danger signs and how to coexist with wildlife.

该协会教导孩子们如何识别危险信号，以及如何与野生动物共存。

" That's out of order, Seamus, " said Ron, whose ears were starting to glow red—always a danger sign.

“你已经失去理智了，西姆斯，”罗恩说，他的耳朵开始红了起来——这通常是一个危险的标志。

Some health experts fear that means the MERS virus has changed, or mutated. That would be a danger sign.

有的卫生专家担心这意味着MERS病毒已经突变，这就是个危险的信号。

If only I had counseled her about the danger signs, why she needed to access regular care.

要是我就危险迹象向她提出建议就好了，为什么她需要接受定期护理。