make matters worse
US /meɪk ˈmætərz wɜrs/
UK /meɪk ˈmætərz wɜrs/

1.
aggraver les choses, empirer la situation
to make a bad situation even more unpleasant or difficult
:
•
To make matters worse, it started raining heavily as soon as we left.
Pour aggraver les choses, il a commencé à pleuvoir abondamment dès que nous sommes partis.
•
His rude comments only served to make matters worse during the tense meeting.
Ses commentaires impolis n'ont fait qu'aggraver les choses pendant la réunion tendue.