I’ve been so busy these last few days, what with one thing and another.

【thing】我最近几天忙这忙那地忙个不停。

" I'd invite you for Christmas, but...well, I expect you're all going to want to stay at Hogwarts, what with...one thing and another."

“我想邀请你来过圣诞节，可是......我估计你们都情愿留在霍格沃茨，因为......这样或那样的原因。"