will-'o-the-wisp
美
英 
- n.难以捉摸的人(或事物);镜花水月;虚无之物;磷火
例句
With only a few hundred dollars on hand, travelling around the world is a will-o'-the-wisp.
手头上只有寥寥数百元,环游世界只是一个空想。
One bullet, however, better aimed or more treacherous than the rest, finally struck the will-o'-the-wisp of a child.
可是有一颗子弹,比其余的都来得准些,或者说,比其余的都更为奸诈,终于射中了这磷火似的孩子。
A will-o'-the-wisp caught Bink's nervous eye.
一股鬼火在宾克神色紧张的眼前滑过。