面对紧急情况时，最重要的就是要保持镇定。

The most important thing when dealing with an emergency is to keep calm.

不要去刺激流浪狗和猴子, 保持镇定及避免奔跑.

Do not tease roaming dogs and Macaque ( monkey ). Do not run and always keep calm.

你们得把每一天看做它的来临，无论发生什么，尽全力保持镇定。

You have to take each day as it comes, and do your best to keep calm regardless of what happens.

你不能问问题，因为他们会大喊大叫。这会很可怕，但保持镇定，坚定你的立场，不要被推到。

You can't ask questions because they yell and yell. It might be scary but, keep calm, stand your ground and don't be pushed over.

他笔直地骑在马上，看着铁闸门被绞盘向上拉起。他虽竭力想保持镇定，心脏却一直在胸口狂跳个不停。

He sat straight atop his horse, watching as the iron portcullis was winched upward. Try as he might to keep calm, his heart was fluttering in his chest.

他在紧急情况下保持镇定。

He remained calm in the emergency.

深呼吸有助于你保持镇定。

Taking deep breaths helps you stay calm.

在考试前保持镇定很重要。

It is important to stay calm before the exam.

即使在压力下，她依然保持镇定。

She remained poised even under pressure.

尽管混乱，她依然冷静地保持镇定。

Despite the chaos, she remained coolly composed.