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- If I can reciprocate at any time, please be sure to call on me. 如果将来我能为您做些什么，请直言。
- I can’t be interested in herrings anymore. 而且，如果不吃东西你会死的。”
- I cannot be sure of my future plans. 我还没有明白地定下我将来的计画。
- I cannot be sure but I believe it worths trying. 我不能确定但这值得一试。
- I guess the massage is based on Chinese acupressure but I can’t be sure since at that time neither of us knew anything about it, and secondly, I’m not an expert at this now. 我猜测，这种方法是来源于中国的按摩技术，但是我不肯定，因为那时我们对按摩一无所知，再说我也不是这方面的专家。
- If the mail is not digitally signed， you can‘t be sure where it came from. 如果邮件不是数字签名的，你就不能肯定邮件是从哪里来的。
- Be sure of my availability and eagerness to help in any way I can. 我非常愿意随时帮忙。
- If I can reciprocate at any time,please be sure to call on me. 如果将来我能为您做些什么，请直言。
- I can say with interest of him, I am sure. 一提起他来我总是很热情的,我敢担保。
- I am sure I can expect a fair deal when trading with you. 我相信与你们做买卖会得到公平交易。
- I am sure I can cope with the big van, since I've never driven it. 虽然我从未驾驶过这辆大蓬车,但我相信我能应付。
- I am sure I can find one companying me to the games. 我想到时候一定能找到和我一起去看比赛的人的。
- Vendors are willing to ‘babysit’ the store when I can’t be there. 我不在的时候，供应商乐意暂时照看我的小店。
- I am sure I can tarn all my dreams into reality somday. 我相信有一天我能把我所有的梦想变成现实。
- We are sure that you will get your desired wow gold on order, if you buy gold wow here.Don’t be irresolute! 法官以怪异的眼光注视着被告说：“你被控强暴一位女士的遗尸达五次之多，你还有什么可说的？”
- Can I be sure of a profit if I invest? 我要是投资，肯定能获利吗?
- Now that you've sown doubts in my mind, I'll never be sure I can trust him. 既然你在我心中撒下了怀疑的种子,我很难再信任他了。
- He likes to be sure of his bodily comforts. 他注重身体上的舒适。
- We have been an ebay power seller and paypal confirmed seller for years.We are sure that you will get really cheap wow gold here.Don’t be irresolute! 面筋、凉皮是目前市场上一种靓丽的食品，尤其在城市，它以口感好、清凉爽口、食用方便、经济实惠等特点，火遍大江南北。
- I can not but be gay in such a jocund company. 我和如此快乐的同伴在一起岂能不乐。
