Question

I have been so occupied with work that I haven't had time for social activities.中文是什么？

Answer 1

我一直忙于我的工作以至于我没有时间参加社交活动。
be occupied with ……译为忙于做……
so……that结构翻译为太……以至于……

Answer 2

我完全投入工作以至于没有时间参加社交活动。