形成疙瘩的

例句：

1. 1. The rope was tied in a knot at the end of the rope.
   绳子在绳子的末端打了个结。
2. 2. He found a knot in his shoelace and had to untie it.
   他在鞋带里发现了一个结，不得不解开它。
3. 3. The child pulled on the rope until he got a big knot.
   孩子拉了拉绳子，直到他得到了一个大结。