adalert

例句：

1. 1. The police were adalerted to the danger of the situation.
   警方对这一危险情况保持高度警觉。
2. 2. She was adalerted by the sudden drop in temperature.
   她被突然的温度下降所警觉。
3. 3. We need to be adalerted to the potential risks of driving at night.
   我们需要对夜间驾驶的潜在风险保持警觉。