The phrase "go to town" often refers to someone engaging in an activity with enthusiasm or completeness. Antonyms for this phrase might include terms that reference inactivity or a lack of effort, such as "take it easy," "relax," or "idling." Other antonyms could include phrases that indicate a lack of engagement or motivation, such as "half-heartedly," "barely trying," or "going through the motions." Antonyms might also include phrases that suggest withdrawal or retreat, such as "pulling back," "withdrawing," or "retreating to safety." Other possible antonyms could include terms that suggest disinterest, such as "apathetic," "uninspired," or "unmotivated.