1. All the linguistic data have been extracted manually from the following sources:
2. Ankova-Ničeva, K. (1993). New Phraseological dictionary of the Bulgarian Language. Sofia: Sofia University “St. Kliment Ohridski Publishing House” [In Bulgarian].
3. Ayto, John (Ed.). (2010). Oxford Dictionary of English Idioms (3rd ed.).
4. British National Corpus. http://corpus.byu.edu/bnc/ . Last accessed 10.12.2015.
5. Bulgarian National Corpus. http://search.dcl.bas.bg/ . Last accessed 8.12.2015.