Her mother is busy cooking in the kitchen. be busy doing sth.忙着做某事（她的母亲正在厨房忙着做饭。

）Be punctual in doing STH.在做……方面非常准时。Be busy doing sth.的意思都是“忙于做某事”。Be worth doing STH.值得做某事。But be this desire, also do not know to be able to come true, for Netease his cannot help doing STH.可是就是这个愿望也不知道能不能实现，为了网易他身不由己。There be sb doing sth sp.表示某地有某人正在做某事。There be sb doing sth sp.表示某地有某人正在做某事。My knee-jerk reaction would bedoing an intellectual " na ! nanana!In addition, two Sarawak-based finance companies were also reported to bedoing the same, with Hock Hua Bank Bhd absorbing the operation of its 63-per cent Hock Hua Finance Bhd and Wah Tat Bank Bhd of subsidiary Chew Geok Lin Finance Bhd.