9. common
    adj 普通的 共有的
Mary is a common English name.
Snow is common in cold countries.
We should have common knowledge of medical care.
We are common people.
The swimming pool is in common and you are welcome here.（共有）
They are close friends and they have a lot in common with each other.(有共同之处)

10. total
    adj 完全的，全然的，全部的，总计的
It’s a total failure.
Can you tell me the total number?
    n 总数 总计
There are 55 students in total?
=There are 55 students in all?
=There are in total of 55 students?

11. expect
     v 预料，预期;期盼
I expect that he will pass the exam.
As we had expected, he came home early.
He came back one hour earlier than expected.
Our parents expect us to go to college.
We expect to go home every day.
    n：expectation

12. up to  直到，到……为止”（用于地点、数量、程度、时间等）；
是（某人的）责任；由（某人）决定，常用It’s up to sb. to do sth.；
计谋（坏事），常用be up to sth.；胜任（通常用于疑问句或否定句）
The three-year-old boy can count up to 100.那个三岁小男孩能数到100。
The snow came up to my knees.雪积到了我的膝盖。
It’s up to you to decide it. 那件事由你决定。
I see what you are up to.我知道你在动什么坏脑筋。
She is not up to the job.她不胜任那项工作。

13. note 
    vt 注意；留意到……，常用note+n.; note+that/wh- clause结构。
    n. 笔记；记录；注释；纸币；便条；短笺；注目，注重；音符
I noted her embarrassment.我注意到了她的窘迫。
Please note that the book must be returned within a week.请注意这本书必须在一周内归还。
Note how he swims.注意看他如何游泳。
take notes记笔记
the notes to/on the text课文的注释
a five-pound note一张5镑的纸币
leave a note留信，留条
a novel worthy of a note值得注意的小说