add another negative, make it worse, put your foot in it If you say his answer is wrong, and then say he can't understand, you've added insult to injury.
add insult to injury|injury|insult
v. phr. 1. To hurt someone's feelings after doing him harm. He added insult to injury when he called the man a rat after he had already beaten him up. 2. To make bad trouble worse. We started on a picnic, and first it rained, then to add insult to injury, the car broke down.
An injury idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with injury, allowing users to choose the best word for their specific context.
Словарь похожих слов, Разные формулировки, Синонимы, Идиомы для Идиома injury