If you feel you're chasing an always elusive or ever-receding goal, opportunity or relationship, turn your back on it, completely.

如果你感觉到你正在追赶一个难以捉摸的或者一直在减弱的目标、机会或者是一段关系，放弃它，彻彻底底的。

youdao

Unfortunately, it is in the nature of the archaeological evidence, which is almost invariable only a sample of what once existed, that such figures will always be elusive.

不幸的是，从考古学证据的性质来看，这类人物总是难以捉摸的，因为考古学证据几乎是一成不变的，只是曾经存在过的东西的一种样品。

youdao

My resume listed four positions in three years because I was always on the lookout for a better opportunity that would bring the ever-elusive job satisfaction.

三年里，我的简历上列着(我做过的)四个职位，因为我总是在寻找着一个更好的、能给我带来难以捉摸的满足感的工作机会。

youdao

Lee Smith says it has always been hard for Americans to understand exactly why peace in the Middle East is so elusive, and why violence and terrorism are so pervasive and persistent in the Arab world.

VOA: standard.2010.03.18

There was always some elusive way in which Naima showed that she needed confirmation not so much of my attention as of my loyalty, as if she feared I might, one day, betray her.

NEWYORKER: Naima

With victories proving elusive it was always going to be an uphill struggle to attract supporters to the Brewery Field.

BBC: Super League's Crusaders complete move to Wrexham FC

Success always seems as inevitable in retrospect as it is elusive when sought.

ECONOMIST: A successful restaurant involves more than just good food