with的用法有哪些和and的用法區別

　　例句：

　　1、She lives with her parents.

　　她同父母住在一起。

　　2、He looked at her with a hurt expression.

　　他帶著受傷害的神情看著她。

　　3、It is treated with acid before being analysed.

　　對它先用酸處理再進行分析。

　　4、I had an argument with my boss.

　　我跟老板吵了一架。

　　5、With these students it's pronunciation that's the problem.

　　對這些學生來說，成問題的是發音。

　　6、It's much easier compared with last time.

　　這與上次相比容易得多。