red flags

Some encroach on woodlands, raising environmental red flags.

有些甚至侵入林地, 使环境亮起红灯.

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It's easy to overlook slights and red flags that should warn us away from dangerous waters.

因为面对一切赞许、积极反馈,很容易失去自我、忽视那些警告我们远离“危险”的征兆.

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Dozens of red flags wave in the wind.

许多的红色旗帜迎风飘扬.

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Be knowledgeable of the risk factors and red flags of fraud.

理解有关舞弊的风险因素和危险信号.

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Still, there were some red flags and lessons that we should all take to heart.

尽管如此, 还是有一些我们应该牢记在心的警示和教训.

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Both have scary histories and red flags wrapped around their respective knees.

两人都有过可怕的膝盖伤病,而膝盖直接影响着他们的职业生涯.

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