New words：

observe [əb'zə:v] v.观察；看到；庆祝；监视；遵守（规则、法律等）

Sample Sentences：

Didn't you observe the difference?
This law must be strictly observed.
I observed him entering the bank with a gun.
They carefully observed the behavior of deer.
Do you observe Christmas Day in your country?

New words：

dishonor [dis'ɔnə]
n.耻辱；丢脸；【商】(票据的)拒绝付款
v.使丢脸；不尊重；不履行

in honor of 向…表示敬意；为纪念

Sample Sentences：

He would rather die than live in dishonor.
What he had done brought dishonor on/to the family.

What he had done dishonored the family.
He dishonored his team by cheating during the competition.

Many people plant things in honor of Earth Day.
We should mark his name down in history by having a school in honor of him.

New words：

honor ['ɔnə]
n.荣誉；荣幸；尊敬；名誉
v.尊敬；尊重；接受；给与…的光荣

Sample Sentences：

He is an honor to our school.
We fight for the honor of our country.

The government honored him with a medal.
Would you honor me by dining with me tonight?

New words：

shortage ['ʃɔ:tidʒ] n. 短缺；不足；缺少

Sample Sentences：

Rescuers are facing a shortage of supplies.
There is a shortage of fresh water on the island.
There was a shortage of oxygen at the top of the mountain.

New words：

severe [si'viə] adj. 极为恶劣的；十分严重的；严厉的

Sample Sentences：

His injuries are severe.
The general had a severe manner.
My uncle became severe when I was late.
The bad harvest led to severe food shortage.
She received severe head injuries in the accident.

shortage ['ʃɔ:tidʒ] n. 短缺；不足；缺少