elusive

adj.

难以捉摸的；不易记住的；逃避的；难以找到的

1. Number is a crucial but elusive concept in English teaching and learning.
   数是英语教学中的一个关键而又难以捉摸的概念。
2. 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。
3. 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。
4. He spent a year prospecting for the elusive metal.
   他花了一年的功夫去勘探那种很难到手的金属。
5. 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。

The Elusive Function of Metallothioneins
Lipid rafts: elusive or illusive?
The elusive nature of executive functions: a review of our current understanding.
The Elusive Quest for Growth: Economists' Adventures and Misadventures in the Tropics
The Elusive Quest for Growth: Economists' Adventures and Misadventures in the Tropics
Emotional intelligence: in search of an elusive construct.
The elusive concept of localization economies: towards a knowledge-based theory of spatial clustering
Estimating population sizes for elusive animals: the forest elephants of Kakum National Park, Ghana.
The Elusive Quest for Growth: Economists' Adventures and Misadventures in the Tropics, by William Easterly. Cambridge, MA: MIT Press...
Cerebral circulation and metabolism after severe traumatic brain injury: the elusive role of ischemia.