to be sure of

基本解释

We have to be sure of that first.
我們得確信這是第一位的。
That is what one wants to be sure of. . . Wood is a pleasant thing to think about.
我們想弄清楚的也就是這個問題。木頭是一件值得加以思索的愉快的事物。
But the idea is that no matter what else I do today, these are the things I want to be sure of doing. So, the MIT is the first thing I do each day, right after I have a glass of water to wake me up.
你每天最重要的任務就是在一天中你最想要或最急需完成的事情.就我個人的實際情況我將它的內涵延伸了,我的一天有三件最重要的事情-這三件事情是我一天內必須完成的.除了這三件事情外是否還有更多的事情有待我去完成呢.儅然有了,但問題的關鍵是,無論我每天有多少事情要做,這三件事情是我必須完成的.因此最重要的事情是我每天在醒來喝完一盃水後要做的第一件事情(MIT).

So,if your employer tells you to cut to the chase, be sure to get to the main point of your story quickly.
To be sure, Machiavelli focuses on key aspects of political reality which are often ignored by thinkers like Plato and Aristotle.
事實上馬奇亞維利所專注的,政治現實觀點,是其它思想家所常遺漏,像柏拉圖和亞裡士多德。
耶魯公開課 - 政治哲學導論課程節選
So, it's perfectly okay to be part of a collaboration, but you've got to make sure that you're pulling your weight.
所以,蓡與小組討論是完全允許的,但你要保証你在其中有所作爲
耶魯公開課 - 基礎物理課程節選

That means it is possible to be sure of the paternity of a tadpole.
ECONOMIST: Animal behaviour