Make sure that you first check for the total amount that the university owes you.

首先确保你核对了大学欠你的总金额。

youdao

First check that the accident victim doesn't have an obstructed airway.

首先要确保事故受伤者的气道通畅。

《牛津词典》

If a program isn't being found, first check to see whether it's installed.

如果一个程序没有找到，首先要检查它是否已经安装了。

youdao

Otherwise I'm going to check to see is the first and last, there's that - 1 indexing, is the first and last element of the string the same?

是第一个还是最后一个,这就是这边-1的索引内容，这个字符串的第一个,和最后一个的内容是否相同呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

All right, we're-- well actually, I should say that better, we first check to see, is x 0 greater than or equal to zero, if it's not, then we come down here and we print something out, otherwise we run through a little loop to get the answer, and then we check it and we spit something out.

然后我们运行一个小循环,好了，我们现在来看看,如果x≥0或者x＜,我们看这儿,我们会输出一些内容,或者我们运行一个小循环来获取答案,然后我们检验一下，然后得到结果。

麻省理工公开课 - 计算机科学及编程导论课程节选

Her mentor thought otherwise, telling Shaila at their first check-in that Samman was failing.

FORBES: The Apprentices: Learn-By-Doing Entrepreneurship At Enstitute

If nothing else, this will be Europe's first big military reality-check.

ECONOMIST: In defence of Europe

First, check the hand-baggage dimensions permitted by your airline at www.seatguru.com.

BBC: A guide to travelling with only carry-on luggage