不能肯定

We are not sure whether one of these children even knew he was being used to deliver a bomb.

" "我们不能肯定是否之一，这些孩子，甚至知道他是被用来提供一个炸弹。

I think that is right ,but i yet cannot sure it.

我想那是对的，不过我也不能肯定。

I think it is right, but I can not sure.

我想那是对的，不过我也不能肯定。

I think that's right,but I can not sure.

我想那是对的，不过我也不能肯定。

I think that's right,but I can not make sure about that.

我想那是对的，不过我也不能肯定。

I think it right, but I can not sure, either.

我想那是对的，不过我也不能肯定。

I think that is right,but I am not certain.

我想那是对的，不过我也不能肯定。

I'm not certain about it.

我不能肯定。

I think that is right, though I am not certain about it.

我想那是对的，不过我也不能肯定。

I can't tell you with certainty when I am able to arrive.

我不能肯定的告诉你我什么时候到。

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。