As if that weren't enough... / To top it all... / And to make matters worse...
Introduces an additional negative element on top of an already bad situation. Used with irony or resignation.
It was raining, it was cold and as if that weren't enough, I forgot my umbrella.
To top it all, he arrived late to the most important meeting of the year.
—Anything else? —As if that weren't enough, the car also broke down.