 |
| English | Russian |
| brush up against | касаться вопроса (Throughout his trip, Francis brushed up against the issues of migration and the war in Ukraine multilinguist) |
| brush up on | дорабатывать (Acruxia) |
| brush up on | совершенствовать (например: Mary had to brush up on her Spanish before going to South America. Acruxia) |