1.manifest的基本意思是“显示”,指通过某种表示来显示某事物或使某事物显而易见,强调显示得充分、简明,毋庸置疑。引申可表示“表明”“证明”,指无须经过调查或推敲,一眼即可看出其特性、特点或判断其是正确的。
2.manifest是及物动词,接名词或代词作宾语,可用于被动结构。

用作及物动词
▲S+～+n./pron.
The disease typically manifests itself in a high fever and chest pains.这种疾病的典型症状是发高烧和胸痛。
The symptoms manifested themselves ten days later.10天后征兆显露出来了。
Has the ghost manifested itself recently?鬼影最近出现了吗?
Her actions manifested a complete disregard for personal safety.她的行动表明她全然不顾个人安危。
She manifested little interest in her studies.她对学习没显露什么兴趣。
◇ 用于be ～ed结构
Their concern is manifested mainly in fine speeches, rather than in practical solutions.他们的关心主要表现在说漂亮话上,而不在寻找切合实际的解决办法上。

manifest, evidence, evince, show
参见show条。

用作定语
▲～+n.
It was their manifest failure to modernize the country's industries.他们使国家工业现代化方面明显失败。
用作表语
▲S+be+～+prep.-phrase
It is manifest at a glance.此事一目了然。
That is manifest to all of us.那对我们大家来说是显而易见的。
It is manifest to every impartial mind.这对每个无偏见的人来说都是很清楚的。

［派生词］ manifestation n.〈正〉表明；表现；显现
［同义词］ adj.  apparent, clear, obvious, unmistakable
［反义词］ adj.  unclear