What's up? You guys working hard or hardly working?

怎么样 你们在努力工作还是努力摸鱼？

We are just working hard on the same project!

我们只是在同一个项目上努力工作而已！

They have warned him about not working hard.

她的父母已经因为他不努力而警告过他。

You really have been working too hard.

你们确实太忙了。

What are you working on so hard?

你在做什么，这么努力？

But I do not mind working hard.

但我不介意艰苦的工作。

People are working hard to save elephants.

人们正在努力拯救大象。

I am always concentrating and working hard.

我总是集中精神并努力工作。

Imagine she had a bad habit of working too hard.

假设她有过分勤劳的坏习惯。

She has been working hard for years now.

她已经努力工作多年了。

Instead, put that energy into working hard and learning.

相反，你应该把精力投入到努力工作和学习中。

My wife thought I was working too hard.

我妻子以为我是工作累的。

Wood was working the team harder than ever.

伍德对队员的要求比以往任何时候都严格。

" Oh, well -- you know -- working hard, " said Hermione.

“哦，唔—— 你知道—— 用功呗。”赫敏说。

John is working hard for his doctoral degree.

约翰正努力攻读他的博士学位。

I understand. You have been working so hard.

我懂 你一直都这么勤奋。

Yes. I think I'm working too hard.

是啊。我觉得我工作太辛苦了。

We'll never stop working hard for you.

我们会永远为客户努力拼搏。

Why are they working so hard?

他们干嘛这么努力工作呀？

To knuckle down, by the way, means to start working hard.

knuckle down是指开始认真工作。