warning sign

基本解釋

Another universal warning sign is when fluctuations in the system slow down.
另一個通用的預(yù)警信號是，系統(tǒng)中的變動速度慢下來。
By the time [he or she] wakes up, the patient may have been dead for a while, but if you have a warning sign and can alert another person in your house, that can be lifesaving.
等到他或她醒來，病人可能已經(jīng)死了有一會兒了。但是如果你能發(fā)現(xiàn)預(yù)警信號并讓你屋里的另一個人保持警醒，那才能拯救生命。
First, you have to recognize the number one warning sign: The feeling that you absolutely must get your partner to see it your way.
首先，你必須識別出第一個警告信號：那種絕對、必須讓你的伴侶看到你的方式的感覺。

Failing to control for multiple testing is a warning sign that results might be spurious.
FORBES: Minimum Pricing, Maximum Confusion: Should Governments Fix The Price Of Booze?
Our warning sign, though, is that we've got to watch those street expectations for earnings.
FORBES
Perhaps the biggest warning sign was the secrecy with which the investment business was conducted.
ECONOMIST: The Madoff affair