make sense of  understand  弄懂；明白
　　We read it through, but could not make sense of it.  我们看了一遍，但不明白它说些什么。
　　in other words  saying the same thing in another way  也就是说；换句话说
　　Joe doesn't like work -- in other words, he's lazy!  乔不爱劳动--换句话说，他懒惰！
　　awful                adj. causing fear; terrible  恐惧的；可怕的
　　An awful accident has happened.   一件可怕的事故发生了。
　　adj. very great; ugly  非常；极为
　　The room is in an awful mess.   屋子乱七八糟。
　　instruct             vt. to teach, to give information to  教；指导
　　My uncle instructs people how to drive cars.   我叔叔教别人开汽车。
　　vt. tell someone what he must do  指示；告诉
　　The teacher instructed the class to prepare for a test.   教师通知这一班学生准备测验。
　　efficient            adj. work well and quickly  效率高的
　　He was efficient in his work.   他工作效率高。
　　data                 n. factual information; numerical or other information represented in a form suitable for processing by computer资料；数据 (datum           单数形式)
　　academic             adj. of, relating to, or characteristic of a school, especially one of higher learning; based on formal education 学校的；学院的；学术的
　　n.[c] one who is a member of an institution of higher learning; a person who has an academic viewpoint or a scholarly background  大学生；大学教师；学究
　　comprehension        n. the act or power of understanding理解（力）
　　Algebra is beyond the comprehension of lower-class pupils.代数是低年级学生所无法理解的。
　　anxious              adj. afraid and worried  忧虑的；担心的；焦急的
　　John is very anxious about his exams.  约翰非常担心他的考试。
　　adj. wanting something very much  渴望的；焦盼的
　　He is anxious for her news.   他渴望知道她的消息。
　　secure               adj. free from danger or attack; free from fear, anxiety, or doubt 安全的；安心的
　　I don't feel secure when I am alone in the house.  我一个人在家时感到不安全。
　　adj. assured; certain 确信的；一定的：
　　With three goals in the first period they had a secure victory, but somehow they lost.
　　在第一节他们进了三球，原以为准赢无误，孰料最后还是输了。liuxuepaper.com