您要查找的是不是：
- I think he lives there but I couldn't say for sure. 我想他是住在那里的，但我不敢肯定。
- She won't dare do that again, and that's for sure. 她不敢再干那事了，那是毫无疑问的。
- No one knows for sure what happened to Bill. 没有人确切知道比尔出了什么事。
- No one knows for sure how people first learned to preserve food. 没有人确切地知道当初人们是如何学会保存食物的。
- The shells she sells are sea-shells, for sure. 那我相信她卖的是海滩上的贝壳。
- You can't say for sure that it won't rain tomorrow. 明天难保不下雨。
- Nobody knows for sure what has happened. 没有人知道究竟发生了什么。
- Do you know for sure that they will win? 你肯定他们会赢吗?
- She won't dare do that again,and that's for sure. 她不敢再干那事了，那是毫无疑问的。
- She won't lend you any money,and that's for sure. 她不会借钱给你，那是确定无疑的。
- No one knows for sure what happened. 谁也不知道究竟发生了什么事。
- One thing is for sure,it's not going to be easy. 有一点可以肯定，事情不会很容易。
- It's a good guidebook; that's for sure. 这的确是一本很好的观光指南。
- Well, they didn't say anything for sure. 嗯， 他们没有任何确切的答覆。
- I will get the best grade on this test for sure. 我这次考试一定会考最高分。
- It will for sure end up in shameful failure. 必将遭到可耻的失败。
- I'm going to fail my driving test for sure. 我一定考不上驾照的。
- We need docs for sure, and a better Web site. 我们确实需要文档和更好的Web站点。
- Nevertheless, doesn't the unseen exist for sure? 然而,看不见的,是不是就等于不存在?
- For sure I'm not going to change diapers! 肯定不会是换尿布!
