Good practical ability and strong sense of work duty.

具有较强的动手能力和工作责任心。

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It's hard work, but while you are reading, you'll find that what once seemed like a duty is now a pleasure.

这是一项艰苦的工作，但当你阅读时，你会发现曾经被视为一种义务的事情现在变成了一种乐趣。

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Staff must report for duty at their normal place of work.

职员必须到他们平常的岗位报到上班。

《柯林斯英汉双解大词典》

As usual, this guide is meant for average users doing typical tasks, not businesses, or people doing heavy-duty work like video production.

WSJ: Guide to Buying a Laptop

Pico makes the high-performance processors necessary to do heavy-duty encryption work.

FORBES: Magazine Article

He said goodwill encompassed situations where "police officers are recalled to duty and work additional long hours often without claiming reward, readily accept last-minute changes to shifts to fill the gaps on the street, cancelled leave and days off".

BBC: Police recruitment changes planned, May says