will-o-the-wisp

n 1 bluish moving light that may be seen at night on marshy ground 磷火; 鬼火. 2 person or thing that is impossible to catch or reach 捉不到或接触不到的人或事物: You shouldn't hope to find perfect happiness it's just a will-o-the-wisp. 不要指望能找到十全十美的幸福--那只不过是镜花水月.

wigwam, wilco, wild, wild card, wild-goose chase, wildcat, wildebeest, wilderness, wildfire, wildfowl, wildlife, wildly, wildness, wiles, wilful (US also willful), wilfully, wilfulness, wiliness, will, will-o'-the-wisp, will-power, willful, willfully, willfulness, willies, willing, willingly, willingness, willow, willow-pattern, willowy, willy, willy-nilly, wilt, wily, wimp, wimpish, wimple, win, wince,