不能肯定的

I think it may correct but I'm not sure.

我想那是对的，不过我也不能肯定。

I'm not sure you're correct about that.

我不能肯定你在这件事上是对的。

I think it's correct, I am not sure however.

我想那是对的，不过我也不能肯定。

I think that's right,but I'm not definite.

我想那是对的，不过我也不能肯定。

I think that's right, but I'm not sure definitely.

我想那是对的，不过我也不能肯定。

We are not sure just when the disintegration of the feudal system began.

我们现在也不能肯定，这种封建制度开始解体的确切时间。

I think that's right,but I am not sure either.

我想那是对的，不过我也不能肯定。

Not sure your emotional intelligence is that high?

不能肯定自己是否有如此高的情商？

I think that is right, while i can not ensure.

我想那是对的，不过我也不能肯定。

I think that is right, even though I was not sure.

我想那是对的，不过我也不能肯定。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。