in an emergency

例句：

1. 1. We need tobe prepared for any emergency that may arise.
   我们需要为可能出现的任何紧急情况做好准备。
2. 2. Thefirefighters were called to put outthe fire in an emergency.
   消防员被召来扑灭火灾，这是一场紧急情况。
3. 3. Inan emergency, we must actquickly and decisively.
   在紧急情况下，我们必须迅速而果断地行动。