在危险时可以用英语表示为 "in danger" 或 "in a dangerous situation"。这个表达来源于拉丁文 "periculum"，意思是 "危险"。
下面是一些使用 "in danger" 或 "in a dangerous situation" 的英文例句：
"The hikers were in danger of getting lost in the dense fog." (那些徒步旅行者很有可能在浓雾中迷路。)
"The people in the flood-affected areas are in a dangerous situation." (受洪水影响的地区的人处于危险境地。)
"The animal rights activists are trying to rescue the animals in danger of being killed." (动物权益保护活动人士正在尝试救助那些有被杀的危险的动物。)
下面是一些使用 "in danger" 或 "in a dangerous situation" 的英文例句：
"The hikers were in danger of getting lost in the dense fog." (那些徒步旅行者很有可能在浓雾中迷路。)
"The people in the flood-affected areas are in a dangerous situation." (受洪水影响的地区的人处于危险境地。)
"The animal rights activists are trying to rescue the animals in danger of being killed." (动物权益保护活动人士正在尝试救助那些有被杀的危险的动物。)