punk knot

例句：

1. 1. I need to tiemy shoelaces so they don't come undone when I walk.
   我需要把鞋带系紧，以免走路时它们松开。
2. 2. The kids were playing withtheir punk knots when the rainstarted.
   孩子们在下雨前还在玩他们的打结球鞋带。
3. 3. She hada punk knot onher shoelace that shecouldn't untie.
   她的鞋带有一个打结，她解不开。