英语是: review for the exam。
解释:

review 英[rvju:] 美[rvju]
n. 回顾; 复习; (报刊的) 评论; [法] 复审;
vt. 评论; 复习; 复查; 检验;
vi. 复习功课; 写评论;
[例句]The president ordered a review of US economic aid to Jordan
总统下令对美国向约旦提供的经济援助进行审查。
for 英[f?(r)] 美[f?r,f?]
prep. 为,为了; 倾向于; 关于; 当作;
conj. 因为,由于;
[例句]Isn't that enough for you?
那对你来说不够吗?
exam 英[?g?z?m] 美[?ɡ?z?m]
n. 测验; 考试;
[例句]Kate's exam results were excellent.

凯特的考试成绩非常优秀。
课后认真复习,用英语是:Review carefully after class.
句子解释:
review 英[r?vju:] 美[r?vju]
n. 回顾; 复习; (报刊的) 评论; [法] 复审;
vt. 评论; 复习; 复查; 检验;
vi. 复习功课; 写评论;
[例句]The president ordered a review of US economic aid to Jordan.
总统下令对美国向约旦提供的经济援助进行审查。
carefully 英['ke?f?l?] 美[?k?rf?l?]
adv. 仔细地; 小心谨慎地; 警惕地; 周密地;
[例句]We carefully watched every detail of his action.
我们仔细观察了他动作的每个细节。
class 英[klɑ:s] 美[kl?s]

n. 班; 阶级; 等级; 种类;
vt. 把…归入某等级,把…看作(或分类、归类); 把…编入某一班级;
adj. 很好的,优秀的,出色的;
[例句]He acquired a law degree by taking classes at night.
他通过读夜校获得了法律学位。


