8.Certainty & Uncertainty
	8.肯定·不肯定
	The Most Common Expressions
	最常用表达法
	1.A:Are you certain?
	1.A:你肯定吗?
	B:Absolutely certain.
	B:绝对肯定。
	2.A:Are you positive it was midnight?
	2.A:你肯定那是午夜吗?
	B:Absolutely positive.
	B:绝对有把握。
	3.A:Are you sure?
	3.A:你肯定吗?
	B:I'm not sure.
	B:我没有把握。
	4.A:Are you sure about that?
	4.A:这事你能肯定吗?
	B:I'm a hundred percent certain.
	B:我百分之一百肯定。
	5.A:Forgive me, but are you really certain?
	5.A:对不起,不过您真的能肯定吗?
	B:I can't be certain.
	B:我不能肯定。
	The Informal Expressions
	非正式场合表达法
	I give my word for it.
	我可以向你保证。
	I bet.
	我敢断定。
	I really can't tell.
	我确定没法断定。
	I can't say for certain.
	我说不准。
	I'm in two minds about which to choose.
	我决定不了挑选哪个好。
	The Formal Expressions
	正式场合表达法
	Is there any room for doubt?
	还有什么疑问吗?
	He must have missed the 6:30 train.
	他一定没赶上六点半的那班火车。
	I'm quite convinced of her experience in it.
	我很相信她在这方面的经验。
	There's very little doubt in my mind about that.
	此事我并不怀疑。
	I am not at all convinced.
	我根本没有信服。