重点讲解：
1. first of all 首先；
例句：First of all, let me ask you something.
首先，让我问你一件事。
2. all together 一共；
例句：You should pay six dollarsall together.
你一共该付六美元。
3. as long as 只要；
例句：As long asthere is life, there is hope.
只要有生命，就有希望。
4. break into 强行进入；闯入；
例句：Burglarsbroke intohis house last night.
昨天夜里窃贼闯入他家。