The outbreak of niceness has eroded their fear and they are no longer alert to danger.
其乐融融的气氛蚕食了他们的畏惧心理，他们对危险也不再警觉。
The research was published in the journal Behavioral Ecology. [Emma Greig and Stephen Pruett-Jones, Danger may enhance communication: predator calls alert females to male displays]
这一研究发表在了《行为生态学》杂志上[EmmaGreig andStephen Pruett-Jones,Dangermayenhancecommunication:predatorcallsalertfemalestomale displays]。
According to the scientists, this is because people automatically associate red with danger, which makes them more alert and aware.
根据科学家的说法，这是因为人们自动将红色与危险联系了起来，因此会更加警觉。
Stress is a good natural reaction that keeps you alert, motivated and ready to respond the danger.
压力是一个很好的自然反应，让你警惕，动机，准备应对危险。
He knew how to be careful, especially as the rickshaw was his own; however, coming from the country, he was not as alert to danger as city-folk.
他知道怎样谨慎，特别因为车是自己的，但是他究竟是乡下人，不像城里人那样听见风便是雨。
The teams and groups to strengthen the control and management, indicating the nature or type of danger or hazard, standards, and other matters of attention, in order to alert the scene personnel.
各班组要强化控制管理，标明危险或危害的性质、类型、标准定量、注意事项等内容，以警示现场人员。
A fifth is placed on the eaves of temples, as dragons are ever alert to danger.
第五种类型放置在寺庙的檐口上，作为龙永远警觉危险那样。
A fifth is placed on the eaves of temples, as dragons are ever alert to danger.
第五种类型放置在寺庙的檐口上，作为龙永远警觉危险那样。
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