The English-Persian database of idioms and expressions consists of about 30,000 bilingual parallel sentences and phrases in English and Persian (15,000 in each language). It comes with a software through which the users can search a word, phrase or chunk in one language and receive all idioms and expressions consisting of the given query in both languages (English and Persian) with the statistics related to the searched query. The results may be saved in different formats and may be printed too. The main database of the software is presented in Access format and the software itself is executable on Windows systems.