She sends you here apologies. She has a big exam tomorrow and wants to be sure she's ready for it.
她向你表示道歉。明天她有一个大考试，她想准备得充分一点。
The college entrance exam is a big exam for students, they have learned so many years for the purpose of entering the college.
高考对于学生来说是一个大的考试，他们已经学了那么多年，目的是考上大学。
Thanks for asking, but I don't want to go to the movies tonight because I can't enjoy a movie with a big exam hanging over my head.
译文：谢谢邀请，但今晚我不想去看电影。因为我不能在面临大考下享受电影。
Thanks for asking, but I don't want to go watching a movie tonight because I can't enjoy a movie with a big exam hanging over my head.
谢谢邀请，但今晚我不想去看电影。因为我不能在面临大考下享受电影。
On the other hand, if you need to study for a big exam, it might be smart to let the housecleaning slide to conserve your willpower for the more important job.
另一方面，如果你需要为一个大型的考试做准备，那么把打扫房屋这种消耗意志力的事情搁在一边，以便为更重要的工作保持你的意志力将是非常明智的。
While there is no "perfect" time for telling someone that we are not interested in him or her, in the middle of a fancy restaurant or while he or she may be studying for a big exam is not ideal.
虽然告诉别人我们对他或者她不感兴趣这事并没有“完美”的时间，但在一家高档餐厅吃饭的中间或者在他或她为一场重要考试学习时这样做并不理想。
I'm going to have a very big and important exam in June, which will be a turning point in my life.
在六月我将有一个非常大型重要的考试，这将是我生活中的一个转折点。
A few days before a big social-science exam, the instructor informed us that he would hold an optional review session the next day.
在一场大型社会科学考试前几天，导师通知我们第二天他将会给我们上一节选修复习课。
We all know that the entrance exam of high schools coming in the year of 2009 is a big challenge for us, so we must study harder and harder in order to go to a good high school.
我们都知道，2009年来的高中入学考试对我们来说是一个巨大的挑战，所以我们必须努力学习，努力去上一个好的高中。
Now when I look back on the failing exam, I think it is not a big deal.
现在当我回望考试不及格时，我觉得那是很小的事情。
Now when I look back on the failing exam, I think it is not a big deal.
现在当我回望考试不及格时，我觉得那是很小的事情。
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