系绳

例句：

1. 1. He tied the knot with a piece of cord.
   他用一根绳子打了个结。
2. 2. The fisherman used a rope to pull the net in.
   渔夫用绳子把网拉了回来。
3. 3. She tied a bow around her wrist with a string.
   她用一条线在手腕上打了个蝴蝶结。