1)表示同意
Certainly./ Sure./ Of course.当然可以。/ No problem. 没有问题。Yes ,I think
so. 是的,我也这样认为。/ I agree with sb. 我同意某人的看法。/ I agree with sb. 我同意某事。I agree
that... 我同意.../ Good idea ! / That's a good idea. 好主意。/ It's a good
idea to do sth. 干某事是人好主意。/Yes ,please.是的,请吧。/ You are right . 你是对的。/ That's
true./Ok./All right. 好的。/ That's just what I think. 我也是那么想的。/ That's my
opinion, too.我也是那么想的。 /There's no doubt about it.那毫无疑问。
2)表示不同意。
No,I don't think so. 不,我不这样认为。/ I don't agree with sb.
我不同意某人的看法。/ I don't agree to sth. 我不同意某事。/ I don't agree that . 我不同意.... / I'm
afraid not. /I'm afraid that... 恐怕(不)...