unknown to

• 未被 ... 知道的

unknown to的用法和样例：

例句

1. The future is always unknown to us.
   我们难以预卜未来。
2. Just where she kept in Boston is unknown to history.
   她在波士顿到底住在什麽地方，历史上无人知晓。
3. It is a pity that a man of your ability shall remain unknown to the world.
   象你这样有能力的人不能闻名于世界，真是可惜。
4. Quite unknown to me, she'd gone ahead and booked the holiday.
   在我完全不了解的情况下，她已先行办好了度假的预订手续。

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