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.

New words：

goblin ['gɔblin] n. (传说中的)小妖精，丑妖怪

Sample Sentences：

He looked like a goblin in those clothes.
The hero in this fairy story is an ugly goblin.
He held my hand really tight when the goblin jumped out.