The grandfather had been busy in his little shop, merely glancing over at the child from time to time.

爷爷在他的小店里一直很忙，只是不时地看看那孩子。

I'm very busy in the garden.

我在花园里忙着呢。

The grandfather was busy in his little shop, and a sound of hammering and sawing could be heard.

爷爷在他的小店里忙着，可以听到敲敲打打和锯木头的声音。

Everyone is busy in this company.

这个公司每个人都很忙。

The banks are busy in their own backyard, too.

这些银行在它们的“后院”也很繁忙。