O Dicionário Universal Inglês-Russo

• It is intended for a full-text search and it significantly expands the possibilities of working with lexical items from the Russian glossary of LingvoUniversal. Contains usage examples, synonyms, and antonyms.

с головой

(о человеке) with brains; (делать что-л.) using one's brain / head; (погрузиться, окунуться) to become thoroughly engrossed in; (выдать кого-л.) to give smb. away completely