New words：
determine [dɪˈtɜrmɪn] v.确定；决定；决心；下决心；be determined to 决定;下决心
Sample Sentences：
They determined to get up early.
She was determined to prove everyone wrong.
The sale of ice cream is partly determined by the weather.
People generally believe that a person's IQ is determined by birth.
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.