I haven't the vaguest idea who he is.

我根本不知道他是誰.

《簡明英漢詞典》

I haven't the vaguest ( ie slightest ) idea / notion what you mean.

我一點都不明白你的意思.

辭典例句

I haven't the vaguest idea what to do.

我完全不知道怎么辦.

辭典例句

I haven't the vaguest notion what to do.

我一點兒也不曉得怎樣辦才好.

辭典例句

I haven't the vaguest idea what she means.

我一點也不知道她是什么意思.

辭典例句

Do you have the vaguest notion what you are asking me for?

你一點也不知道你在向我提出什麼要求 嗎 ?

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Do you have the vaguest notion ( of ) what you are asking me for?

你一點也不知道你在向我提出什么要求 嗎 ?

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Even the vaguest, if reliable, hint in direction would lead to pot of gold.

只要是可靠的, 哪怕只是模糊的方向性提示也能讓人獲得不菲的收獲.

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PEOPLE can lose clearance on the vaguest excuse, without being told why - it's a new McCarthyist mood.

僅僅因為莫須有的理由, 就可能無法通過忠誠審查 —— 這是一種新的麥卡錫主義.

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