Collo 3

Unit 11: Certain/Optimistic/Doubtful/Pessimistic.
Chắc chắn / Lạc Quan / Đáng Ngờ / Bi Quan
1- certain [`sə:tn] (of / about sth; that ...) having no doubt in your mind about something:
chắc chắn
He`s not certain what her name is.
I`m certain (that) doesn`t like me.
She doesn`t like me - I`m certain of it.
2- sure [∫uə] (of / about sth; that ...) certain: chắc chắn
Are you sure (that) he said he was coming?
It was him, who caused the accident, I`m sure of it.
Have you got a map? I`m not quite sure about the way.
3- to make certain / sure : a- (of sth / that ...) to check in order to be certain: làm cho chắc chắn; đảm bảo chắc chắn.
He looked all around to make certain that nobody was listening.
I think this is your train but you`d better ask the guard to make sure (of it).
b- (of sth / of doing sth / that ...) to do something in order to be certain of victory:
làm cho rỏ; nắm cho chắc.
England scored twice in the last ten minutes to make certain of victory.
We left early to make sure of getting there on time.
Make sure (that) you’re not late.
4- positive [`pɔzətiv] (of / about sth; that ...) completely sure: khẳng định
`Are you sure you locked the door?` - `Yes, I`m positive.`
She was positive (that) she had met him before somewhere.
Are you positive of / about what happened?
5- confident [`kɔnfidəntof sth/ of doing sth) certain that something will happen as you want it to happen: tự tin.
She was confident (that) she would win.
We`re confident of victory.
He`s confident of finishing the job on time.
6- hopeful [`houpful] (of sth / of doing sth / that ...) fairly confident: đầy hứa hẹn.
I`m hopeful (that) everything will turn out well in the end.
She’s not very hopeful of success.
Although the concert is sold out, he`s hopeful of getting a ticket at the door.
7- hopefully [`houpfuli] let us hope (that ...) hy vọng rằng
Hopefully, I’ll be feeling better tomorrow.
See you next week, hopefully.
8- optimistic [,ɔpti`mistik] (about sth / that ...) always expecting the best; hopeful about
the future: lạc quan.
We`re optimistic that our money problems will soon be over.
She’s optimistic about her chances of getting the job.
9- an optimist [`ɔptimist] a person who is always optimistic: người lạc quan.
You must be a real optimist if you think that the bank is going to agree to lend you all that money.

10- to hope for the best: to be hopeful that things will go well (especially when there is
reason to believe that they will not) hy vọng có được kết quả mong muốn.
Her attitude towards exams is to do a bit of revision the night before,
and just hope for the best!
11- to look on the bright side: to find something to be hopeful about in spite of problems.
thấy có cái gì đó đáng phấn khởi(mặc dù có khó khăn); lạc quan.
`I`ve just lost my job and my wife is asking for a divorce.` - `Look on the bright side –
at least you`ve still got your friends. `
Part 2
1- doubtful [`dautful] (about sth) uncertain and unconfident: nghi ngờ; đáng ngại .
I `m doubtful (about) whether she’ll come.
I’ve agreed to lend him my car, but I still feel a bit doubtful about it.
2- to doubt [daut]
a. (s.o./sth) to be uncertain about someone or something: cảm thấy không chắc chắn
(về ai hay điều gì); nghi ngờ ai / điều gì.
I `m sorry if 1 doubted you – you proved me wrong.
She apologized for having doubted my word.
(= for having thought that I was not telling the truth.)
b. (that .. ) to consider something to be unlikely : hoài nghi rằng; nghi ngờ sự thật(của cái gì)
She may be there tonight, but I very much doubt it.
I doubt that she`ll be there.
I doubt whether they`ll come.
3- doubt (about sth) (a feeling of) uncertainty : sự nghi ngờ; sự ngờ vực.
There seems to be some doubt about whether he is actually guilty or not.
There`s no doubt that