be sure

常見(jiàn)例句

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.
將煙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(fā)動(dòng)汽車(chē)前，你一定要確保汽車(chē)的變速桿處于空擋位。

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(méi)有一個(gè)詞你可以確定含義，它們的選定都是經(jīng)過(guò)仔細(xì),推敲的，你們將在討論階段更詳細(xì)地看《創(chuàng)世紀(jì)》第22章。
耶魯公開(kāi)課 - 舊約導(dǎo)論課程節(jié)選
because it will give you an opportunity to say "I want to be sure that this is done, has been done"
因?yàn)橛眠@個(gè)句型，你就能表達(dá)“我想確認(rèn)這事會(huì)做到的，或者已經(jīng)做到了。”
Make sure 課堂 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人

At the same time, be sure to preserve the core skills that separate your company from the competition.
FORBES: How To Slim The Ranks