“abnormal”表示“不正常的、反常的”，常用于描述状态、行为或结果偏离常规。以下是其常见用法及搭配：
| 用法/短语 | 含义 | 例句 |
| abnormal behavior | 不正常的行为 | His abnormal behavior surprised everyone. |
| abnormal temperature | 体温异常 | The patient has an abnormal temperature. |
| in an abnormal way | 以不寻常的方式 | She left the room in an abnormal way. |
| be abnormal | 是不正常的 | The results are abnormal. |
| abnormal condition | 异常状况 | The machine is in an abnormal condition. |
使用时注意，“abnormal”多用于正式或书面语，口语中常用“unusual”或“strange”代替。
