New Words:

office [ˈɒfɪs] 办公室;办公楼
officer [ˈɒfɪsə(r)] 军官;官员，高级职员;警察的头衔

Sample Sentences:

He's waiting for you at his office.
This is our new office, I will show you around.

The police officer took my name and address.
He wants to be a police officer when he grows up.

New Words：

rule [ruːl] n.规则;规章;条例
ruler [ˈruːlər] 直尺

Sample Sentences：

I make it a rule to get up early.
Let's make it a rule to sleep before 11 o'clock.
First, I'll explain the rules of the game.
The teacher came in and a ruler was in his hand.

New Words：

lawyer [ˈlɔːjər] 律师

Sample Sentences：

He knew how much I wanted to become a lawyer
His father was a lawyer and his mother was a teacher.

New Words:

law [lɔː] 法律法规
obey law 遵守法律
break law 违反法律
mother-in-law
father-in-law

Sample Sentences：

He studied law in London.
By law, you are a child until you are 18.
His lawyer said he did not break the law.
Her mother-in-law helps her to take care of her child

New Words：

obey [əˈbeɪ] 服从;遵守

Sample Sentences：

Most people obey the law.
He didn't obey the traffic rules.
People do not question me , they listen and obey.