the state of being difficult to describe, find, achieve, or remember

The work's prime focus is on the elusiveness of identity - how we try to define ourselves. 该作品的主要焦点在于身份的不确定性——我们如何试图定义自己。

The rainbow trout is prized by fishermen for its elusiveness. 虹鳟鱼因其难以捕捉而备受钓鱼者青睐。