Considering that I'm not a local speaker, I would like to ask for the help of the ELL Neighborhood. Could be the expression "a damning trouble" neutral adequate to work with it in an educational context? Whatever you're asking for is often a expression to "mark" an "unmarked" category, which https://petskyonline.com/blog/why-tofu-cat-litter-is-gaining-popularity-in-the-uae/