形容忙碌的英语

1.I'm preoccupied at the moment我现在没空 2. My schedule is full. 我的日程排满了（常用于商业领域） 3.I've got too much going on 我有太多的事情要做 4.I'm tied up right now. 我现在忙得不可开交 5.I'm just overwhelmed. 我忙不过来了 6.I'm buried in work/research. 我工作很忙/我埋头研究