New Words：

brick [brɪk] 砖;砖块
knee [niː] 膝;膝盖
trousers [ˈtraʊzərz] 裤子

Sample Sentences：

The school is built of bricks.
The brick hit him in the head.

I fell over and cut my knee.
Come and sit on Daddy's knee.

He dropped his trousers.
Mother bought me a pair of trousers.

New Words：

burst [bɜːrst] 破裂；爆炸；突破；冲进

Sample Sentences：

Don't burst that balloon!
That balloon's going to burst.
You feel so full you think you are going to burst.

New Words：

tricky [ˈtrɪki] 难办的;难对付的

Sample Sentences：

It's a tricky job.
It's a tricky question.
This is a tricky question for me to answer.

New Words：

patch [pætʃ] n.补丁；v.打补丁;缝补;修补

Sample Sentences：

Dad put a patch on the water butt.
The patch on the little boy's shirt is so big.
The boy's trousers need a patch on the knee.

We can patch up those holes.
She is learning how to patch clothes.

New Words：

water butt [ˈwɔːtər bʌt] （接房檐雨水的）雨水桶
leak [liːk] 泄漏；渗漏

Sample Sentences：

The roof was leaking.
I need to take a leak!
This bottle is leaking, Use a different one.
The neighbors came out of their houses to see if we had a gas leak.