But an independent Afghan military must be capable of adapting to an elusive enemy.

VOA: standard.2009.12.13

What we're trying to get at here is--it can be very elusive, but I imagine most of you are familiar with it.

我要表达的意思,可能非常晦涩,但我相信你们大多数对它并不陌生

耶鲁公开课 - 死亡课程节选

Who was this strange and elusive man whose writings seem to have been enlisted both for the support of monarchy and for republics, even for a universal monarchy and a smaller participatory democratic kind of government?

这位奇怪，难以理解的人是谁,他的写作似乎同时横跨,支持君主政体及共和政体两个范畴，甚至可说是一种世界帝国,和相较下,式微的参与式共和政府？

耶鲁公开课 - 政治哲学导论课程节选

Today it is a surge. But now,like then,American troops hunt the rough terrain for an elusive enemy who hides among the populace or takes sanctuary across the border in a neighboring country.

VOA: standard.2009.09.09

Here's what's elusive.

这就是晦涩的地方。

耶鲁公开课 - 公正课程节选

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