His sons who are busy working don't care for him on his special day.

在他的这个特别日子里，他忙于工作的儿子们也不关心他。

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The problem was that only a few experts could deliver the course, and they were usually busy working with customers.

问题是只有很少一些专家才能传授课程，而通常他们都忙于服务他们的客户。

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Designers are busy working on creative new ways to keep bikes safe both inside and out of the home.

一些人在忙于设计具有创意的新方法来保管自行车，无论是在家里还是在外面。

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My day job keeps me busy from 9-7, and my nights are filled with networking events or working non-stop on the website, blog and logistics.

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In comparison to the busy city centre, the west zone has little traffic and attracts working-class young people, families and retirees.

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Oscar-winning director James Cameron has kept busy since revolutionizing the way 3D movies are made with Avatar, by working with long-time partner Vince Pace in the 3D sports broadcast arena.

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