Preposition
what with
(idiomatic, informal) Owing to; because of; as a result of.
She was sleeping very badly these days, what with the new baby and all the activity surrounding him.
Alas the Church of England! What with Popery on one hand, and schismatics on the other, how has she been crucified between two thieves! Daniel Defoe
Sometimes I forget that the world is not on the same schedule as I. That everything is not dying, or that if it is dying it will return to life, what with a little sun and the usual encouragement. Nicole Krauss
What with making their way and enjoying what they have won, heroes have no time to think. But the sons of heroes - ah, they have all the necessary leisure. Aldous Huxley
And here I was thinking you were a bit slow, what with so much asking and not knowing anything. Carlos Ruiz Zafón
Not that a car would have been much faster anyway, what with the police posts at state lines, the searches, the restricted zones not merely in cities-one expected that during August-but right out in the country, in agricultural areas. Because of hijackers after food trucks, of course. John Brunner
Sunday itself-that unfortunate failure of a holyday as it too often proved, what with my sense of its fugitiveness, and over-care to get the greatest quantity of pleasure out of it ... Charles Lamb