please help me to find out the definition of idiomatical verbal phrase, and please write the source (the book title, page, publisher, year and the city where the book was published)

i face a difficulty to finish my paper because of lack of the sources about the definition of idiomatical verbal phrase

i'm sorry if my english not good enough, because i'm indonesian and i want to learn english

thank you for your help

i'm very appreciate it.

Hi Muti

Welcome to EnglishForums.

An "idiomatic verbal phrase" is also called a "phrasal verb".
Macmillan defines "phrasal verb" this way:
"a verb formed from two or (sometimes three) parts: a verb and an adverb or preposition".

This really helps.