| português | por-000 |
| bicho de sete cabeças | |
| English | eng-000 | hydra |
| English | eng-000 | rocket science |
| English | eng-000 | something very difficult |
| suomi | fin-000 | rakettitiede |
| galego | glg-000 | hidra |
| magyar | hun-000 | atomfizika |
| polski | pol-000 | czarna magia |
| русский | rus-000 | бино́м Ньюто́на |