bind oneself to do something

例句：

1. 1. Therope was tied around the tree to bindit in place.
   绳子被系在树上，以固定它。
2. 2. She bound her hairwith a ribbon for a fancy look.
   她用一条丝带绑头发，为了一个时髦的造型。
3. 3. The children were bound bytheir parents' rules.
   孩子们被他们的父母的规则所约束。