这些问题的答案一如既往地难以捉摸。

The answers to these questions remain as ___elusive as ever.

对许多人来说，真正的幸福可能是一个看似遥不可及的难以企及的梦想。

For many, true happiness can be an ___elusive dream that seems ever further from us.

这首诗的含义微妙而难以捉摸，难以完全领会。

The meaning of the poem was subtle and ___elusive, challenging to grasp fully.