I am not sure what the problem is, but I make sure I got those credits.
我不确定问题在哪，只能确定我获得了那些学分。
Scientists are still not sure what messages the sun bears were sending to one another.
科学家们仍然不确定太阳熊之间互相传递了什么信息。
I'm not sure what made me look at her as she walked slowly by her wooden walking stick.
当她拄着木拐杖慢慢走时，我不确定是什么促使我看着她。
And when experimenters record the time it takes game players to read "aggressive" or "non-aggressive" words from a list, can we be sure what they are actually measuring?
当实验者记录下游戏玩家从列表中阅读“攻击性”或“非攻击性”词汇所花的时间时，我们能确定他们实际上在测量什么吗？
No one knows for sure what happened.
谁也不知道究竟发生了什么事。
He prowled around the room, not sure what he was looking for or even why he was there.
他在房间里悄悄地走来走去，不知道自己在找什么，甚至不知道自己为什么在那里。
They had been invited to a Hindu wedding and were not sure what happened on such occasions.
有人邀请他们去参加一个印度教徒的婚礼，但他们不清楚这样的庆典会是怎样一种场面。
I was still not sure what competition really meant.
我仍然不确定竞争到底意味着什么。
We also need to make sure what we eat is healthy.
我们还需要确保我们吃的食物是健康的。
I'm not sure what kind of engineer I want to be yet.
我还不确定自己想成为什么样的工程师。
My mom has lost her job, and I'm not sure what to do.
我妈妈失业了，我不知道该怎么办。
I'm not sure what I want to be but I'm sure that you have already known.
我不确定我想成为什么，但我相信你已经知道了。
If you are looking for a new hobby, but you're not sure what it is, please read the passage.
如果你正在寻找一个新的爱好，但你不确定它是什么，请阅读这篇文章。
I looked down at my hands wrapped around the lemonade bottle, not sure what to do now.
我低下头，看着自己交叠在柠檬水瓶上的双手，不知道现在该做些什么。
I'm not exactly sure what she does there, but it seems to be related to humorous poems.
我并不确切地知道她在那里做什么，但似乎与幽默诗歌有关。
I wasn't sure what to make of Bo until I took a closer look at his pickup on my way back to the car.
我拿不准博到底是何意图，直到后来我朝我的汽车走过去时，仔细地看了看他的敞蓬小货车，我才全明白了。
You can begin with listing all the subjects you need to study and make sure what you need to do for each subject.
你可以从列出所有你需要学习的科目开始，确定每门科目你需要做什么。
Scientists aren't exactly sure what causes the brain freeze when we eat ice cream or other super cold foods too quickly, though some believe it's the result of changed blood.
当我们过快地吃冰激凌或其他超冷食物时，科学家们并不确定是什么原因导致大脑冻结，尽管有些人认为这是血液变化的结果。
Even Professor David Stowell admits that he's not sure what the endgame is.
就连戴维·斯托维尔教授也承认他不确定结局如何。
I am not sure what Jairam (Ramesh) is doing.
我不知道伊拉姆(拉梅什)在做什么。
The managers watching them weren't quite sure what to do.
管理者看着他们，不是很确定要干什么。
The researchers are not sure what drives this angular disparity.
研究人员并不确定是什么因素导致了坡度的出入。
I don't see how that can be true. I'm not even sure what it means.
我真不相信这是真的，我甚至都不知道这意味着什么。
I am good friends with Kevin. I am not sure what Kevin's last name is.
凯文是我好朋友，关系杠杠的，姓什么我不是很清楚。
“I wasn’t quite sure what I was supposed to be doing, ” he recalls.
“我当时不确定我应从事什么。”他回忆说。
But no one is sure what David Cameron's Conservatives might do instead.
但是谁也不知道大卫·卡梅隆为首的保守党将做什么来替代。
Like most college freshman, she wasn't sure what she wanted to do with her life.
就像许多大学新生一样，她并不确定她这辈子想做什么。
Like most college freshman, she wasn't sure what she wanted to do with her life.
就像许多大学新生一样，她并不确定她这辈子想做什么。
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