不能肯定的

I think that's right,but I am not so positive.

我想那是对的，不过我也不能肯定。

I am not sure if we have the possibility of success.

我不能肯定我们是否有成功的可能。

I suppose that is correct, but I am not pretty sure.

我想那是对的，不过我也不能肯定。

I dont think it's right, but i am not quire sure

我想那是对的，不过我也不能肯定。

I think that is right, but I am not quite sure.

我想那是对的，不过我也不能肯定。

I suppose that's right, but I am not sure.

我想那是对的，不过我也不能肯定。

I suppose that is right, but I'm not sure.

我想那是对的，不过我也不能肯定。

I suppose that it is right,but I am not sure about it.

我想那是对的，不过我也不能肯定。

I think that's right ,but I can't sure it

我想那是对的，不过我也不能肯定。

By no means am I sure it is the right thing to do.

我一点也不能肯定这样做是对的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐