New Words：

confidence [ˈkɑnfɪdəns] n. 信心；信任；自信心；信赖

Sample Sentences：

He lacks confidence in himself.
She has great confidence in her success.
He answered the questions with confidence.
What you need is more exercise and confidence.

New Words：

confident ['kɑnfidənt] adj. 自信的；有自信心的；肯定的；确信的
be confident of 确信

Sample Sentences：

They are confident of success.
He is confident of passing the examination.
He is quite confident that he will pass the examination.
Your encouragement made me more confident of my future.
We need a confident leader to overcome these difficulties.

encouragement [in'kʌridʒmənt] n. 鼓励, 激励
overcome [.əuvə'kʌm] vt. 战胜, 克服

New Words：

plug [plʌg] n. 塞子；插头
wire ['waiə] n. 电线；导线；金属丝；金属线

Sample Sentences：

She pulled the plug to let out the water.
They used electricity from a plug in the garage.

Electricity is carried along wires.
He bent the wire into the shape of a square.
The rope was not strong enough, so we used wire.

New Words：

ornament ['ɔ:nəmənt]
n.装饰；装饰品；饰物；首饰
v.装饰；点缀；美化

Sample Sentences：

There is an ornament made of shells on the wall.
We bought some ornaments for the Christmas tree.

I ornamented my room with flowers.
The hall is ornamented with Chinese paintings.