elusive

形容词 elusive:

1. difficult to describe
2. skillful at eluding capture- David Kline
   同义词：evasive
3. be difficult to detect or grasp by the mind
   同义词：subtle

1. The Abominable Snowman who haunts the imagination of climbers in the Himalayas is hardly more elusive.
   常使喜马拉雅山的攀登者浮想联翩的雪人也不比此更难以捉摸。
2. Men like to pursue an elusive woman, like a cake of wet soap in a bathtub- even men who hate bath.
   男人们喜欢追逐那些象浴缸里的湿肥皂般难以捉摸的女人，即使是讨厌洗澡的男人也无不如此。
3. Interpol have searched all the corners of the earth for the elusive hijackers.
   国际刑警组织已在世界各地搜查在逃的飞机劫持者。

e.lu.sive

adj.（形容词）
Tending to elude capture, perception, comprehension, or memory:
逃避的：不易被抓获、觉察、理解或记忆的：
例句：
.an invisible cabal of conspirators, each more elusive than the archterrorist[himself] . (David Kline)
.一个看不见的小阴谋集团，每一个都比恐怖主义集团［本身］ 更难于被发现. (戴维·克兰)

Difficult to define or describe:
难于定义或描述的：
例句：
.Failures are more finely etched in our minds than triumphs, and success is an elusive, if not mythic, goal in our demanding society.(Hugh Drummond)
.失败比胜利更容易刻在我们脑中，成功在我们这个需求的社会是一个难于描述的，如果不是神秘的话，目的在我们的社会需求中.(休·德拉蒙德)

来源：
From Latin ôlôsus [past participle of] ôlôdere [to elude] * see elude
源自 拉丁语 ôlôsus [] ôlôdere的过去分词 [逃避] *参见 elude

【引伸】
elu.sively
adv.（副词）
elu.siveness
n.（名词）