Elusive

(a.)

difficult to find, define, or achieve

难找的；难以解释的；难以达到的

e.g. Eric, as elusive as ever, was nowhere to be found.

埃里克总是这样神出鬼没，哪儿也找不着。

e.g. the elusie concept of 'literature'

“文学”这一难以解释的概念

e.g. A solution of the problem of toxic waste is proving elusive.

有毒废料这个问题证明难以解决。

Xinyi Translation Studio