And predators would have laid an ambush for the unwary.

而肉食动物则会埋伏着，准备对那些警惕的动物们来个出其意。

I mean, I said when you go to the countryside areas that they are unwary of strangers.

我的意思是，我说过当你去农村的时候，他们对陌生人警惕。

Well, there's only one option left, so " not alert" .

好，只剩下一个选项了， 所以“警惕” 。

Viral evolution is random, so we shouldn't let down our guard just yet, Barry says.

Barry 说病毒进化时随机的，因此我们现应该放下警惕。

European officials have warned the public to be careful about possible fraud during these unusual times.

欧洲官员已经警告公众，常时期要警惕任何可能的欺诈行为。

He could have eaten the entire fruit stand if I hadn't been vigilant.

如果我提高警惕，他可能会吃掉整个水果摊。

Kehringer was wary of the risk of sensationalism, and did not want the men to simply narrate their crimes.

Kehringer 对耸人听闻的风险保持警惕，希望些人简单地叙述他们的罪行。

If you think capitalism is going to bring democracy, then you're not going to be as alert to inequality as you should be.

如果你认为资本主义会带来民主，那么你就会像你应该的那样对平等保持警惕。