I completely forgot her birthday, what with one thing and another.

因为忙得不可开交，我把她的生日忘得一干二净。

What with the cold weather and my bad leg, I haven't been out for weeks.

由于天气很冷，我的腿又不好，我已经好几个星期没有出门了。

What with one thing and another, it was fairly late in the day when we got home.

由于种种原因，我们回到家时已经相当晚了。

What with overwork and (what with)so little sleep，she fell ill.

一半由于工作过度的劳累，一半由于睡眠不足，她病倒了。

You know, what with it being a federal crime to sell the stuff.

你知道，卖这些玩意儿还是联邦犯罪呢。