We should calm down when the earthquake happens.

当地震发生时，我们应该镇静。

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Sometime we should calm down, watch the things around us carefully, may not solve the problems we Ken, but solve the problems we can.

有时候我们应该冷静仔细观察下周围的事情，就算不能解决我们知道的问题，但能解决我们可以解决的问题。

youdao

Therefore, it is suggested that we should calm down and think about how many times you have gotten angry recently, what the cause was and then make efforts to reduce the anger.

所以，建议大家要时不时地静下来想一，最近生了几次气，是什么事情导致生气，寻找原因，努力减少生气的次数。

youdao

Just as we should track down perpetrators, we should also remember that if we remain calm and rational, we can minimize the effectiveness of these acts and in so doing make them less attractive for terrorists to undertake.

CNN: In the face of terror, keep calm