未拉紧的

例句：

1. 1.After a long day at work, I need to unwind by watching a movie.
   在工作了一整天之后，我需要通过看电影来放松。
2. 2. The old man sat down and began to unwind the knot in his tie.
   老人坐下来开始解开他领带的结。
3. 3.She unwound the scarf from her neck and let it fall open.
   她从脖子上解下围巾，让它展开。