for sure
确定, 肯定
例句与用法：
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。
For sure?
肯定吗?
He'll come for sure.
他肯定会来的。
That's for sure.
那是肯定的。
I Don't know for sure.
我不能肯定。
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。
That's for sure!
这是毫无疑问的！
确切地
No one knows for sure what happened to Bill.
没有人确切知道比尔出了什么事。