Stress encourages people to work harder than ever before.

压力会鼓励人们比以前更加努力的工作。

Being able to know what's true and what's a lie is a lot harder to do now, harder than ever before.

现在要分辨什么是实话、什么是谎言更难了，比以前任何时候都难。

It's perhaps harder than ever before to stay calm, to be free of career anxiety.

但却比以前更难保持冷静，或不为事业感到焦虑。

If we want to ensure a great future for China, we must practice English harder than ever before .

如果我们想确保中国有美好的未来，我们必须比以前更加刻苦地操练英语。