The phrase "doest trick" implies that something is effective or successful. Therefore, antonyms for this phrase could include ineffective, unsuccessful, inadequate, or insufficient. Another antonym for "doest trick" could be "misses the mark," meaning that the thing or action in question is not achieving the desired result. Other antonyms could include useless, fruitless, or unproductive. Overall, there are many words that could be used as antonyms for "doest trick," depending on the context and the specific situation in which the phrase is being used.