New Words:

set off [set ɔːf] 动身;出发

Sample Sentences:

He set off by taxi.
We are ready to set off.
It was raining hard when we set off.

New Words：

moment [ˈmoʊmənt] 瞬间；时机；片刻；时光

Sample Sentences：

Could you help me a moment?
Could you wait a moment, please?
This is the happiest moment of my life!
One moment, please ( = Please wait a short time ) .

New Words:

lip [lɪp] 嘴唇
upper lip 上嘴唇
lower lip 下嘴唇

lipstick [ˈlɪpstɪk] 口红;唇膏

Sample Sentences:

She bit her lower lip.
She kissed him on the lips .
I must learn to bite my lip.

She was wearing red lipstick.
I need to put some lipstick on.
What lipstick do you use? I love it.

New Words：

excuse [ɪkˈskjuːs , ɪkˈskjuːz] 借口；理由；辩解
Excuse me. 请原谅;对不起;劳驾;打扰一下

Sample Sentences：

She always has an excuse for being late.
Late again! What's your excuse this time?

Excuse me. How much is the beef?
Excuse me, grandfather. Can I speak with you for a moment?
When you have to leave your seat, you need to say "Excuse me for a moment, please. "

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.