dredge something up
phrasal verb with dredge verb [ T ] uk/dredʒ/ us/dredʒ/
翻（旧账），揭（伤疤），重提（不快往事）
to talk about something bad or unpleasant that happened in the past
The article dredged up details of her unhappy childhood. 文章翻出了她不幸的童年琐事。