Definition: different from what is normal or usual, in a way which is strange or dangerous Level: C1
这个孩子异常的行为让老师们感到担忧。
The child's ___abnormal behaviour worried the teachers.
检测显示他血液中的激素水平异常。
Tests revealed ___abnormal hormone levels in his blood.
长期生活在如此持续的压力下根本不正常；这是反常的。
Living under such constant stress is simply not normal; it's ___abnormal.
