Quick trained vs. quickly trained



I am an English teacher, but just quick trained—originally I am a math and physics teacher. So here抯 my question:

Does this phrase—quick trained—exist in English? Or, does it express that my English is not as perfect as it should be?

A teacher in Hungary
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The phrase should be quickly trained. Trained is an adjective, and the word that modifies an adjective is an adverb. The adjective is quick and its adverb form is quickly.

There are some phrases in English, such as a quick fix and a quick study, in which the word quick is an adjective used correctly. Perhaps the person who uses this phrase quick trained has invented it because it sounds likes others he/she knows, even though it is not a known expression in general English. Or, it may be jargon used in certain situations like the one you are in, where you have been quickly trained by your school.

Unless there are certain definite circumstances in which the phrase “quick trained” occurs, “quickly trained” would be the normal use.