The antonyms for the phrase "am trained" are quite numerous, as they vary depending on the context in which it is used. For example, if the phrase refers to a certain skill or trade, "unskilled" or "inexperienced" could be antonyms. Similarly, if the phrase refers to preparation or education, "uneducated" or "unprepared" may serve as antonyms. Moreover, if the phrase is part of a job description, "unqualified" or "unsuited" may be the antonyms. In essence, the antonyms for "am trained" are words that denote a lack or absence of knowledge, skill, or qualification.