όλα του γάμου δύσκολα κι η νύφη γκαστρωμένη

Etymology
The literal meaning is "Everything about the wedding is difficult and the bride is knocked up (pregnant)".

Proverb

 * 1)  to add insult to injury, to make matters worse, to add fuel to the fire said of occasions when things that are already in a difficult situation get worse or have an additional complication

Usage notes
The phrase is often shortened to just its first element, as in the example above.