add insult to injury

US /æd ˈɪnsʌlt tu ˈɪndʒəri/
UK /æd ˈɪnsʌlt tu ˈɪndʒəri/
"add insult to injury" picture
1.

to make a bad situation worse by doing something else that is unpleasant or offensive

:
First, they lost the game, and then to add insult to injury, their star player got injured.
They cancelled my flight, and to add insult to injury, they lost my luggage.