重点讲解：
1. be bound to
一定会；必然会；注定会；
eg. There are bound to be price increases next year.
明年物价一定会上涨。
eg. I'll show it to Benjamin. He's bound to know.
我会把它给本杰明看，他肯定会知道。
2. bump into
（无意地）碰撞，冲撞；
eg. They stopped walking and he almost bumped into them.
他们停下了脚步，结果他差点儿撞到他们身上。
eg. There was a jerk as the boat bumped against something.
船撞到什么东西，猛颠了一下。
3. confine sb./sth. to
限制；使受局限；
eg. He did not confine himself to the one language.
他没把自己局限于这一门语言。
eg. Yoko had largely confined her activities to the world of big business.
洋子主要是做大生意。
eg. His genius was not confined to the decoration of buildings.
他的天赋不单体现在建筑物的装饰上。
