not happening at regular times; not following any plan or regular pattern; that you cannot rely on synonym unpredictable不规则的;不确定的;不稳定的;不可靠的 The electricity supply here is quite erratic. 这里的电力供应相当不稳定。 She had learnt to live with his sudden changes of mood and erratic behaviour. 她已经学会适应他那变幻莫测的情绪和难以捉摸的行为。 Mary is a gifted but erratic player (= she does not always play well). 玛丽是一名有天赋的运动员,但发挥不太稳定。 Irrigation measures will be necessary in areas of erratic rainfall. 在降雨量不稳定的地区,灌溉措施是必要的。 their increasingly erratic policy decisions 他们越来越反复无常的决策
Oxford Collocations Dictionaryverbs- be
- seem
- become
- …
- extremely
- fairly
- very
- …
Word Originlate Middle English: from Old French erratique, from Latin erraticus, from errare ‘to stray, err’.