无人知晓

• Several years ago a rare species of bird for some unknown reason
  几年前，因为某种无人知晓的原因，这种稀有的鸟绝迹了。
• There is none that knows
  却无人知晓
• But testing these theories is hard , so nobody knows if they are true
  然而，验证这些理论相当困难，因此这些理论正确与否无人知晓。
• But as to exactly what it was that goldman did so profitably , nobody could be sure
  至于究竟是何种业务为高盛带来了如此丰厚的利润，则无人知晓。
• It ' s an island that cannot be found except by those who already know where it is
  那是个无人知晓的岛屿,只有那些原本就知道它在那里的人才会知道它在哪里
• It was likely both of them , like the library , had hidden depths and contained unknown powers
  他们看起来就像是图书馆，深藏不露，蕴含着无人知晓的力量。
• Will : how can we sail to an island that nobody can find with a compass that doesn ' t work
  就凭这么一个失灵的指南针我们怎么能找到那个无人知晓的岛屿呢
• In the absence of a more straightforward count , no one could know for sure what the demographics are
  由于缺乏更直接的统计方法，无人知晓人口组成状况到底怎样。
• What if he went away - ever so far away , into unknown countries beyond the seas - and never came back any more
  他要是到海外无人知晓的地方去，一去不回，那又怎样呢？
• My love is like the grasses hidden in the deep mountains . though its abundance increase , there is none that knows
  我的爱情犹如青草，藏在深山。它郁郁葱葱，却无人知晓。