loose end

• 1. 

  N-COUNT A loose end is part of a story, situation, or crime that has not yet been explained. (故事、情况或犯罪案件中) 尚未解释清楚的地方

  例：

  There are some annoying loose ends in the plot.

  情节中有一些令人烦恼、尚待弄清的东西。

• 2. 

  PHRASE If you are at loose ends, you are bored because you do not have anything to do and cannot think of anything that you want to do. 闲得无聊 [非正式]

  例：

  She had woken feeling at loose ends.

  她醒了，感到闲得无聊。