I'm not sure what it is, maybe a hotel?
我无法确定那是什么，也许是家酒店吧？
I'm not sure what it is, but I know there is one.
有联系，我还不知道是什么，但我知道的确是有联系。
Not sure what it is either. We will need a botanist to comment.
不确定是哪一个，我们需要植物学家来解说。
Something's not right here, "she frowned, but I'm not sure what it is."
“某事不就在这里”，她皱眉头“，但是我不确定它是什么。”
There is something down there,but you're not sure exactly what it is.
这下面有东西。但是你不能肯定它到底是什么。
And what can be done to help make sure that it is not?
此外，为了有助确保不会发生这种情况，又能做些什么？
Though am not sure what is it made of, but from the picture above I guess the material is wood.
虽然我不太确定它是用什么制成的，但从上面的图片看来，我猜是木质的。
Archaeologist: there is something down there, but you're not sure exactly what it is.
考古学家：这下面有东西，但是你不能肯定它到底是什么。
There is something down there, but you're not sure exactly what it is.
这下面有东西。但是你不能肯定它到底是什么。
I'm not sure what kind of material it is.
我说不出来这是什么材料的。
I'm not sure what is it, but I really remember that's so delicious!
我不是很确定这道菜的名字，就记得很好吃。
Not sure what is, but it looks good.
不是确信什么是，但是它看起来很好。
I'm not sure where that is but I know what it is like.
我也不知道该往哪儿找，但我知道那种感觉。
It is good to ask for help when you are not sure what to do.
是什么意思啊？当你不确定做什么的时候，寻求帮助是有益的。
It is good to ask for help when you are not sure what to do.
是什么意思啊？当你不确定做什么的时候，寻求帮助是有益的。
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