Not say how you busy , your heart is busying !

别说你很忙，忙的是你的心！

He was busying ( in ) writing a report .

他正忙于写一个报告。

The children are busying doing their homework .

孩子们在忙着做作业.

If I was very very busying , I may not do that .

如果我非常忙果阵时，有可能唔会做。

They are busying themselves packing up .

他们正忙活着整理行装。