The mechanics work hard to keep the helicopters airworthy.

机修工们为了保障直升机的适航性而努力工作着。

He succinctly summed up his manifesto as "Work hard, train hard and play hard."

他把自己的宣言简明地概括成了“努力工作，努力训练，努力玩耍。”

After missing a term through illness he had to work hard to catch up with the others.

他因病休学一学期，不得不努力学习好赶上别的同学。

The president's message was that everyone would have to work hard together to rebuild the economy.

总统所传达的信息是每个人都应一起努力工作重建经济。

You'll get good grades if you work hard.

如果你努力学习，你会取得好成绩的。

We all work hard in our school.

我们在学校都努力学习。

He could work hard and study hard.

他还可以一边努力干活，一边努力学习。

Work hard at your lessons.

努力学功课。

Bees work hard in flowers.

蜜蜂在花丛里辛勤地工作。

Work hard and try to make a living.

努力工作，努力谋生。

Students shall work hard every day.

学生应该每天努力学习。

Work hard at school!

在学校努力学习！

It's a hard work, so you must work hard.

这是一件艰苦的工作，因此你必须努力去做。

I have to work hard today.

今天我得努力工作。

You need to work hard to keep ahead.

你要努力才能保持领先优势。

I can vouch for her ability to work hard.

我保证她能够努力工作。

I'll work hard. I don't want to let him down.

我会努力工作。我不想让他失望。

People tend to work hard at this stage of life.

人在这个人生阶段往往发奋努力。

You're just coasting—it's time to work hard now.

你根本是在应付—现在该努力干了。

You will have to work hard if you are to succeed.

要想有所作为，你必须苦干。

He can work hard but he needs a nudge now and then.

他能够努力工作，但偶尔需要督促一下。

How do you motivate people to work hard and efficiently?

你是如何激励人们努力而高效地工作的？

There are many who will work hard to achieve these goals.

有很多人会努力工作来实现这些目标。

Do you work hard for success rather than daydream about it?

你在努力争取成功而非做白日梦吗？

You know, Brian, whatever you may think, I work hard for a living.

你知道，布雷恩，不管你会怎么想，我是为了生计而努力工作。

The UN will have to work hard to stop history from repeating itself.

联合国必须努力工作以阻止历史重演。

In a good marriage, both husband and wife work hard to solve any problems that arise.

在一桩美满的婚姻中，夫妻双方共同致力于解决出现的任何问题。

Just make sure you work hard.

只要确保你努力工作就行了。

He began to work hard at it.

他开始为之努力。

Work hard, and you can make it.

努力工作就可以成功。