你必须为同一雇主工作两年才有资格休产假。

To qualify for maternity leave you must have worked for the same employer for two years.

《柯林斯英汉双解大词典》

你必须准备好全心全意地投入工作。

You must be prepared to give the job your undivided attention.

《牛津词典》

你必须放松，不要工作得太辛苦。

You must relax, don't work too hard.

youdao

And the context of sorting, the worst case is your handed a problem that's in complete reverse order because that implies you have - to do as more work that could possibly-- that you could-- you have to do more work than you would of course if things were in perfect order.

在排序的环境中，最糟糕的情况是待排序的序列是,完全逆序的，在这种情况下,你不得不做更多的工作-,比起一个较理想顺序的序列,你必须花费更多的努力。

哈佛公开课 - 计算机科学课程节选

And in today's situation, you have to do Master's in order to get good job,

在当今这种情况下，你必须读研才能找到一份好工作，

就业很难 - SpeakingMax英语口语达人

Now it could be that you're hungry but you're working hard, and so you may not get your food for an hour until after you're hungry.

现在你很饿,但是你必须努力工作,直到一小时后才能吃东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选