He's tied up with his new book. He's working hard, you know.

他正忙他那本新书－－你要知道他现在确实很努力工作。

《柯林斯英汉双解大词典》

He started working hard much too late in the day—he couldn't possibly catch up.

他开始努力工作已为时太晚—不可能赶上了。

《牛津词典》

Are you working hard, or hardly working?

你是努力工作还是几乎不工作？

youdao

The muscular man is working hard to control a powerful drill that is cutting through the rock that surrounds him.

VOA: special.2009.03.23

You can talk about working hard on your joint problem sets, but as long as you go home and you don't work hard, it doesn't help.

你大谈特谈你在多么努力地做家庭作业,但是回家后如果你依旧偷懒,这还是无济于事

耶鲁公开课 - 博弈论课程节选

I've been working hard all morning and I feel like I could eat a horse.

我一早上都在辛苦工作，我觉得我都可以吃下一匹马了。

I'm about to 实战 - SpeakingMax英语口语达人

"We are working hard to make sure that we detect cancer earlier, " he said.

BBC: A patient in gown (generic)

I've been working hard at it, but there's still lots of work to do.

WSJ: Jets' Sanchez, Smith not sharp early in QB battle

We are working hard, we are able to move on and we will be stronger.

BBC: Carlo Ancelotti hails improving Chelsea