review：
1，请记录你的工作经验。
please keep track of your working experience.
2，你也许会愿意写日记来跟踪记录下那些让你感到快乐、平和的事情。
you may want to use a journal to keep track of things that make you feel happy or peaceful.
know for sure"确切知道，肯定"
for instance:
1,I don't know for sure, but he will make you a good deal.
我不太清楚，但是他一定会给你优惠的价格。
2,at least we know for sure that teams are interested McGrady.
最起码，我们知道确实有球队对麦迪有兴趣。
1，这些都是真的吗？我们不敢保证，我们可能永远无法确定。
Are these real? we can not guarantee, we may never know for sure.
2，我们无法确切的知道你是否会成功。
We don't know for sure whether you can succeed.作者: mapleleaf 时间: 2011-9-3 08:17
1.Are these real? we can not guarantee, we may never know for sure.
2.We don't know for sure if you will succeed.作者: Andy-Lee 时间: 2011-9-21 17:46
1，这些都是真的吗？我们不敢保证，我们可能永远无法确定。
are these real?we don't dare to guarantee,we may never know for sure.
2，我们无法确切的知道你是否会成功。
we cann't exactly know for sure that you'll success作者: changdk 时间: 2011-9-21 20:06
are these all sure? we don't know for sure,and don't make it sure forever
we don't know for sure that if you will succeed作者: xuqiulin 时间: 2011-9-25 18:42
1，这些都是真的吗？我们不敢保证，我们可能永远无法确定。
are these true? we don't know for sure, we couldn't confirlm in perpetuty
2，我们无法确切的知道你是否会成功。
we don't kown for sure if you can success
