努力工作：以非常积极和精力充沛的方式工作。
持续工作：持续不断地工作。
work hard on something
同义词： beaver
These young people beaver away at school.
这些年轻人在学校里用功苦读。
There, 600 engineers from around the world beaver away on next-gen products, everything from cleaner coal to high tech manufacturing.
在这里，来自世界各地的600多位工程师正在辛勤研发新一代产品，从更洁净的煤炭到高科技制造技术应有尽有。
Workers tended to beaver away for the first few days of the working week in any case, before hitting a plateau and then slackening off.
无论情况如何，工人们每周前几天努力工作，随后达到一个顶峰，接着松懈起来。
But razors are not the only products where the company's researchers beaver away at innovation.
Workers tended to beaver away for the first few days of the working week in any case, before hitting a plateau and then slackening off.
ECONOMIST: Being watched may not affect behaviour, after all
At times like these I suppose we should be thankful for bureaucracies that will beaver away in their assigned bailiwicks largely oblivious (not to say impervious) to the outside world.