as if that were not enough
On top of that; additionally; furthermore. Often used to introduce a further difficulty, problem, or misfortune in addition to that which has already been described. My poor car was smashed beyond repair in the accident, and as if that weren't enough, I also spilled coffee on my brand new suit! Languages, and English in particular, are a difficult thing to learn. As if that were not enough, idioms make the whole thing that much harder to master.