adj.不明確的；模糊的；茫然的；猶豫不決的

At the back of his mind was the vague idea that he had met her before. 他隱隱約約地覺(jué)得以前曾經(jīng)見(jiàn)過(guò)她。

She is so vague that I can never understand what she is trying to say. 她說(shuō)話含含糊糊，我怎么也聽(tīng)不明白她想說(shuō)些什么。

His vague ideas crystallized into a definite plan. 他那些模糊的想法變成了一個(gè)明確的計(jì)劃。

I'm quite vague about what happened. 我對(duì)發(fā)生的事很不了解。

His vague reply disconcerted us completely. 他那含糊的回答弄得我們很為難。