not happening at regular times; not following any plan or regular pattern; that you cannot rely on synonym unpredictable不規則的;不確定的;不穩定的;不可靠的 The electricity supply here is quite erratic. 這裏的電力供應相當不穩定。 She had learnt to live with his sudden changes of mood and erratic behaviour. 她已經學會適應他那變幻莫測的情緒和難以捉摸的行爲。 Mary is a gifted but erratic player (= she does not always play well). 瑪麗是一名有天賦的運動員,但發揮不太穩定。 Irrigation measures will be necessary in areas of erratic rainfall. 在降雨量不穩定的地區,灌溉措施是必要的。 their increasingly erratic policy decisions 他們越來越反複無常的決策
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’.