Reward
a thing that you are given because you have done something good, worked hard, etc 回报，报答;奖赏，奖励 [名词]
1. She deserves a reward for her efforts.
她积极努力，应得到奖赏。
2. He was given a reward for passing the examination.
他因考试及格而得到奖品。
3. Many students today dont understand that learning is its own reward.
现在许多学生不明白：学习本身就是回报。
to give something to somebody because they have done something good, worked hard, etc 报答，酬谢;奖励，奖赏 [动词]
1. How can I reward you for your kindness?
我怎样才能报答你的好意呢?
2. I wish I could reward you someday.
我希望有一天能够报答你。
3. His parents bought a bike to reward him for passing the exams.
他的父母买了一辆自行车给他，奖励他考试及格。
Award
a prize such as money, etc. for something that somebody has done 奖，奖品，奖金 [名词]
1. After many years of hard work, he won the award in the end.
经过许多年的努力，他最后终于获得了大奖。
2. It is the hightest award a producer can receive.
这是一个制片人所能获得的最高奖项
3. If your answer is correct, youll have a chance winning an award.
如果您答对了，就有机会赢取奖品。
to make an official decision to give something to somebody as a payment, prize, etc 授予，奖励 [动词]
1. The champion was awarded the gold medal.
冠军被授予了金牌。
2. He was awarded the Nobel Peace Prize.
他荣获诺贝尔和平奖。
3. The judges awarded him the first prize.
评委授予他一等奖。
【注意】
award与reward是一组近义词，请注意它们词义的区别。
用作名词时：
(1)award表示奖品, 奖金,尤指因作出杰出贡献而获奖。
(2)reward表示奖赏, 酬谢, 报答，尤指因工作努力或做了好事而得到回报。
用作动词时：
(1)award表示授予, 颁发，侧重于因某人作出贡献而奖励。
(2)reward表示报答, 奖励，侧重于因某人做了好事而报答或因工作努力而奖励。