My grandmother says that a good deed is its own reward.

我祖母说善举本身就是回报。

This job is difficult, but the financial rewards are great.

这项工作很辛苦，但报酬丰厚。

The school has a system of rewards and punishments to encourage good behaviour.

学校有奖惩制度来鼓励良好的行为。

There is a reward for information leading to catching the killer.

为抓捕凶手提供消息的人有悬赏金。

The old lady is offering a reward of $50 to anyone who finds her cat for her!

不管谁找到她的猫，老太太都会给50美元的赏金！

The police will reward whoever provides useful information to catch the robber.

任何人提供有用信息帮助抓住劫匪，警方将予以奖励。

The students have been working hard on their lessons and their efforts will be rewarded with success in the end.

学生们一直努力学习功课，他们的努力最终会带来成功。