Your guess is as good as mine. 我和你一样拿不准。
I've nothing to say about this decision.我对这个决议没什么可说的。
I really don't know what to say.我确实没有什么主张。
I couldn't say,I'm afraid.恐怕我说不上来。
It makes no odds to me.这对我无所谓。
I'd rather not say anything about that.对于这一点我还是不说什么的好。
I'm afraid you'd ask Dr.Brown about that.这事恐怕你还是得问布朗医生。
But don't you think you can finish it?但你不认为你可以完成它么？
But look at it like this,a wise man also makes mistakes.但你这样来考虑一下，一个聪明人也会犯错误。
I see what you mean,but everybody is born equal.我明白你的意思，但每个人都生而平等。
I'm not sure if you agree.我不敢肯定你能同意。
I respect your opinion,however，it is not easy to be a boss.我当然同意你的意见，但是，当老板可不是一件容易的事。
That's a good idea,but it may not work.这是个好主意，但它未必行得通。
Don't be like that!别这样！
It'll get you nowhere.你这样是行不通的。
Can I persuade you to believe it?我能不能说服您相信这一点？
What if you were late?要是你迟到了会怎么样？
Suppose he were not honest,would he still be popular?假如他不诚实，他还会受欢迎吗？
Imagine you lost the election,what would you do?设想一下，如果你竞选输了，你会怎么做？
Clear off,before I do you some harm.快走开，否则我不客气了。
I will be back to you.我会找你算账的。
Mark my words!你听着!
You have to pay for that.你必须为此付出代价。
If you not quiet,you'll be punished.如果你再不安静，就会受到惩罚