New words：

floppy ['flɔpi] adj. 松散下垂的；耷拉的；松软的

Sample Sentences：

She was wearing a big floppy hat.
This material's too floppy for a jacket.
An African elephant has large floppy ears.

New words：

pointy ['pɔinti] adj. 尖的；有尖头的

Sample Sentences：

Pointy shoes are the fashion this year.
She had a long face, a pointy chin, small ears.

New words：

perky ['pə:ki] adj. 活泼的；高兴的；快活的；精力充沛的

Sample Sentences：

He wasn't quite as perky as normal.
The sky is blue and everyone looks perky.
He's still in hospital, but he seems quite perky.

New words：

labour ['leibər] n. 劳动；劳动力；工人

Sample Sentences：

It takes a lot of labour to build a railway.
The price will include the labour and materials.
The company wants to keep down labour costs.
Americans and Canadians celebrate Labour Day in September.

New words：

contest ['kɔntest,kən'test] n. 比赛；竞赛；竞争

contest 和 competition 区别：

contest多指一群参赛者“各自”带作品参赛或进行表演，多指在音乐、书法、演讲等方面所进行的比赛或竞争。其结果，由评判委员会裁决。

competition多指体育运动中的各项比赛、角逐，也指知识、技巧等方面的竞赛。

Sample Sentences：

This football match is an unequal contest.
Tom carried off the first prize in the contest.
She won a gold medal for her fine performance in the contest.