It's unpredictable

捉摸不透───I'm not sure;让───Give Way

I'm not sure I can walk so far.───我没有把握能步行这么远。

I'm not sure,' she responded.───我不肯定。”她答道。

I'm not sure," Liz said vaguely.───我不能肯定，” 莉兹含糊地说。

There's so much wrong about this cartoon I'm not sure what the editor was thinking when he allowed it to be printed.───这卡通太不适当了，我实在不确定编辑允许出版时在想什么？

I bet he will glance your way, crouch down, and move away from you almost as if to say, "I can tell you're angry and I'm not sure why. "───我打赌他会发现你的路，屈身，然后赶紧离开你几乎好像在说，“我可以告诉你生气的时候，我不确定是为什么。”

I'm not sure of how much time will it take so I choose 60 days for max and for the budget it's an estimation.───我没有多少时间等，将是我选择的60个最大和预算这是一个估计天肯定。

I'm not sure. Probably around midnight.

I'm not sure what he is thinking about.

I'm not sure of the chronology of events.

I'm not sure that I find her story credible.

I'm not sure that I fully understand .