New words：
colleague ['kɔli:g] n. 同事；同行；同僚
Sample Sentences：
I had a colleague who died decades ago.
My colleague has broken off the habit of smoking.
We were friends and colleagues for more than 20 years.
decade ['dekeid] n. 十年
New words：
innocent ['inəsnt] adj. 无辜的；清白的；无罪的；无辜受害的；无知的, 天真纯洁的
Sample Sentences：
He insisted he was innocent.
He declared that he was innocent.
Don't be so innocent as to believe everything you hear.
New words：
jealous ['dʒeləs] adj.吃醋的；妒忌的；妒羡的；忌妒的
be jealous of 妒忌
Sample Sentences：
He was jealous of Tom's wealth.
He is jealous of his colleague's success.
Children often feel jealous when a new baby arrives.
Should I be jealous? There's nothing to be jealous of.
colleague ['kɔli:g] n. 同事；同行；同僚
New words：
cage[keidʒ] n. 笼子
v.把（动物）关在笼中
Sample Sentences：
They caught the fox and caged it.
After the tiger was caught, it was caged.
The old man wants to buy a cage for birds.
Criminals are kept in the cages on this island.
New words：
pinch[pintʃ]
v.捏；掐；拧；捏住
n.捏；掐；拧；一撮
Sample Sentences：
The new shoes pinched my toes.
The door pinched my finger as it shut.
The child was crying because somebody had pinched her.
He gave her a pinch on the face.
Put a pinch of sugar in the soup.