This is the 2151st most frequent Chinese word.
异常
Abnormal; unusual; extraordinary.
Here, '异常' denotes something being extraordinary or unusual compared to the normal state.
今天的天气异常炎热。
Today's weather is unusually hot.
In this context, '异常' indicates an abnormal status or malfunction in a technical system.
系统运行异常,请及时修复。
The system is malfunctioning; please fix it promptly.
Here, '异常' is used to emphasize an exceptionally good quality or action.