colloquialism vs give it a try

colloquialism is a noun but give it a try is not a noun.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
give it a try	No	No	Yes	No

colloquialism (noun)	give it a try (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech

colloquialism (verb)	give it a try (verb)
	try
	make an attempt at something