aberration

1. N-VAR An aberration is an incident or way of behaving that is not typical. 失常[正式]

It became very clear that the incident was not just an aberration; it was not just a single incident. 已經(jīng)很明確這次事件竝不僅僅是一次失常，也不衹是一個(gè)單獨(dú)的事件。