The phrase "takes one time" implies that something is done only once or on a single occasion. The antonyms for this phrase could be "repeatedly," "frequently," or "continuously." These words express the opposite meaning, suggesting that something is done multiple times or on a regular basis. On the other hand, the phrase "takes several times" implies that a task or action requires multiple attempts to be completed satisfactorily. Other antonyms for "takes one time" could include "never," "rarely," or "infrequently," which suggest that something is not done often or doesn't happen at all.