He was working hard to keep control of himself.

他正努力克制自己。

柯林斯例句

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

他正忙他那本新书。他在辛勤工作，您是知道的。

柯林斯例句

He had been working hard and was perspiring profusely.

他一直在努力干活,身上大汗淋漓的.

《简明英汉词典》

They are working hard to produce a program - controlled computer.

他们正在努力制造一台程序控制计算机.

《简明英汉词典》

You've really been working hard in the past few days.

你们这两天真够辛苦的.

《现代汉英综合大词典》

You've been working hard all day. You need a rest.

你累了一天, 该休息了.

《现代汉英综合大词典》

The peasant household has become prosperous through working hard.

这户农家已经通过勤劳变得兴旺发达了.

《用法词典》

He's been working hard all day.

他辛劳地工作了一天.

《简明英汉词典》

His failure resulted from not working hard enough.

他的失败是工作不够努力造成的.

《简明英汉词典》

He attributes his success to working hard.

他认为他的成功是艰苦工作的结果.

《简明英汉词典》

He is working hard at physics.

他在攻读物理学.

《现代汉英综合大词典》

He seemed to be working hard, but was just running round in circles.

他看起来工作很紧张, 其实不过是在瞎忙一气.

《简明英汉词典》

I like the happy medium of working hard during the week and enjoying myself at weekends.

我喜欢平日努力工作,周末玩个痛快的折中办法.

《简明英汉词典》

Full of militancy and revolutionary ardour, the people of all nationalities in the country are working hard for the realization of the four modernizations.

全国各族人民意气风发, 斗志昂扬,为实现四个现代化而奋战.

《现代汉英综合大词典》

We take off our hats to those who are quietly working hard.

我们对那些默默无闻地刻苦用功的人脱帽表示敬意.

英语晨读30分（初二）