New Words：

useful [ˈjuːsfl] adj.有用的；有益的；实用的；有帮助的
helpful [ˈhelpfl] adj. 有用的;有益的;有帮助的

Sample Sentences：

He might be useful to us.
I'm so happy that it'll be useful for you.

The people I spoke to were very helpful.
I called the police but they weren't very helpful.
Is there anything you need to tell me that you think will be helpful?

New Words：

dictionary [ˈdɪkʃəneri] n. 词典;字典

Sample Sentences：

I don't need the dictionary at present.
This new dictionary is very useful [ helpful] to me.
When you do not understand a word, you can look it up in this dictionary.

useful [ˈjuːsfl] adj.有用的；有益的；实用的；有帮助的
helpful [ˈhelpfl] adj. 有用的;有益的;有帮助的
at present 目前;现在;眼下;当今

New Words：

suggest [səˈdʒest] v.建议；提议；表明；推荐；暗示

Sample Sentences：

I suggest (that) we go out to eat.
Who would you suggest for the job?
Can you suggest a good dictionary?
As your father, I suggest you make a plan for your study.

dictionary [ˈdɪkʃəneri] n. 词典;字典

New Words：

cheers [tʃɪrz] (用于祝酒)干杯;再见;谢谢

Sample Sentences：

Have a nice weekend! Cheers!
It's wonderful to have friends visiting from far. Cheers!

New Words：

cheer [tʃɪr]
v.欢呼；加油；喝彩；鼓舞
n.欢呼声；喝彩声

cheer up 振作起来；高兴起来
cheer on 为…加油；为…喝彩；为某人打气

Sample Sentences：

Let's clap for her and cheer for her!
Cheer up! It's not the end of the world.
Cheer up , young man. Things are not as bad as you think .
Oh, I'm sorry to hear that. You can go on a holiday to cheer you up.
You can cheer them up on the bank.
If I lose my way, you guide me and cheer me on.