不明的

• The physicians at first laughed at the unknown wayfarer .
  医生们起先嘲笑这个来历不明的旅行者。
• His inexplicable debts were a byword in his circle .
  他那些来历不明的借款成为那圈子里人议论的话题。
• Therefore, the project slumbered during the twilight war .
  因此，这个计划在晦暗不明的战争时期就搁起来了。
• Some obscure disease had taken the fire out of her figure .
  某种原因不明的疾病已经夺去了她体内的生命之火。
• Occasionally, a tiny flicker of light passes quickly by, its source a mystery .
  偶尔有一个来路不明的微小光点一闪而过。
• The effect of the court's new departure was to create a twilight zone of authority .
  法院这一新方针，势必产生权限不明的情况。
• Miss blanche goes abroad and marries in paris a count with doubtful title .
  布兰奇小姐出走国外，在巴黎与一个来路不明的伯爵结了婚。
• She stepped aside when mrs. rougement the actress passed with her dubious family .
  做戏子的卢颐蒙太太带着身份不明的儿女走过，她躲开不理。
• Those missing flattops weren't covering the oncoming san bernardino force .
  那些去向不明的航空母舰，并没有掩护向圣贝纳迪诺海峡进犯的舰队。
• In a few minutes they would begin a march over forty miles of strange country .
  再过一会儿他们就要开始行军了，40英里地，都是情况不明的荒山野林。