elusive
adjective uk/iˈluː.sɪv/ us/iˈluː.sɪv/
C2 难以表述(或找到、达到、记起)的;困难的
difficult to describe, find, achieve, or remember
The answers to these questions remain as elusive as ever. 这些问题的答案仍然是不得而知。
Success, however, remained elusive for her. 但是对她来说,成功仍然不可企及。
elusive memories 模糊的记忆