New words：

liar [ˈlaɪr] n.说谎者；撒谎者

Sample Sentences：

You're a bad liar!
She’s the biggest liar I’ve ever known.
A liar is not believed when he speaks the truth.

New words：

renown [rɪˈnaʊn] n.名誉；声望；名声

renowned [rɪˈnaʊnd] adj.有名的；闻名的；受尊敬的

Sample Sentences：

She used to be a singer of some renown.
His renown has spread throughout the country.

She is renowned for her patience.
You should know that she's a renowned liar.

liar [ˈlaɪr] n.说谎者；撒谎者

New words：

discount ['dɪs.kaʊnt]
n.折扣
v.打折扣；

Sample Sentences：

Tour prices are being discounted as much as 33%.
They're offering a 10% discount on all sofas this month.
Customers are offered a 10% discount if they pay cash.

New words：

focus [ˈfəʊkəs] v.集中（注意力、精力等于）；聚焦(于)
focus on 专注于；关注，聚焦于

Sample Sentences：

I quickly focused the camera on the children.
All eyes were focused on him when he came in.
The talks will focus on economic development of the region.

New words：

ban [bæn] v.下令禁止；查禁；取缔

ban sb from sth/from doing sth 禁止（某人）做某事（或去某处等）

Sample Sentences：

He was banned from the meeting.
He was banned from driving for six months.
​​Many countries have a ban on smoking in public places.​​
My parents banned me from playing video games until I finish homework.​