be sure

基本解释

We have to be sure of that first.
我們得確信這是第一位的。
Be sure to kill your cigarette butt before throwing it away.
將菸蒂扔掉前一定要把它熄滅。
Be sure your lever is in neutral before you start up your car.
在發動汽車前，你一定要確保汽車的變速杆処於空擋位。

Scientists say more information is needed before they can be sure that painting roofs white would help battle rising temperatures.
There are so few words that you can be sure that they were chosen with care. You'll be looking at Genesis 22 closely in your section discussions.
幾乎沒有一個詞你可以確定含義，它們的選定都是經過仔細,推敲的，你們將在討論堦段更詳細地看《創世紀》第22章。
耶魯公開課 - 舊約導論課程節選
because it will give you an opportunity to say "I want to be sure that this is done, has been done"
因爲用這個句型，你就能表達“我想確認這事會做到的，或者已經做到了。”
Make sure 課堂 - SpeakingMax英語口語達人

At the same time, be sure to preserve the core skills that separate your company from the competition.
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