Are you sure she was fully compos mentis when she said that?

你确定她说那话时神志常吗？

He’s a kind of unofficial adviser,but I’m not sure exactly what he does.

他像是个非官方顾问,但说不好他究竟是干什么的。

He's not altogether sure what to do.

他然不知该怎么做。

In that way one is sure of accepting no humbug.

是一人必不至被骗。

He doesn't get any baskets, but he sure can block.

他投篮命中率不高, 但他拦篮阻挡却很有两手。

I'm not sure about the practicality of their plan.

我还无法确定他们的那个计划的可行性何。

I’m sure his remarks were rehearsed, not impromptu.

我肯定他的话是预先想好的, 不是即席讲的。

In fact, I'm sure that's the only satisfactory way out.

我想, 事实上那是唯一令人满意的出路。

Make sure the panels are treated with a wood preservative.

确保镶板用木材防腐剂处理过。

The examination was a pushover; I'm sure of all the answers.

"那次考试很容易,题目的答案我都有把握。"

Make sure that the hook is fully screwed in.

看看钩子是否已旋进。

The prisoner is sure to be condemned.

个犯人一定会被判刑。

Are you sure you’re physically tough enough for this job?

你确信你有足够的体力胜任份工作吗？

The news is sure to overset him.

条消息必定会使他心神不安。

I am sure that he will pay back every cent he owes you.

我敢肯定他会分文不差地把欠款还给你。

I'm not sure about rhyming perestroika with balalaika.

我不知道perestroika是否与balalaika押韵。

I'm sure there's a perfectly rational explanation.

我确信有合理的解释。

Make sure that all the nails are punched in so that the floor is smooth.

务必把所有的钉子都钉进, 样地板才光滑。

Make sure you don’t jumble everything up.

一定不要把东西都弄乱。

The thief peeped through a keyhole to make sure there was nobody inside.

小偷从钥匙孔偷看, 以确定里面确实没有人。