elusive
US /iˈluː.sɪv/
UK /iˈluː.sɪv/

1.
难以捉摸的, 难以找到的, 难以实现的
difficult to find, catch, or achieve
:
•
The suspect remained elusive, despite a widespread manhunt.
尽管进行了大规模搜捕,嫌疑人仍然难以捉摸。
•
The solution to the problem proved elusive.
问题的解决方案被证明是难以捉摸的。