Antonyms for "dashes off" would be words that indicate a slow and deliberate pace, rather than a hurried one. Such antonyms could include "lingers over," "meanders through," "takes one's time with," or "savors." All of these words suggest a slower pace and a more thoughtful, intentional approach. Rather than rushing through a task, the person is taking their time and paying attention to details. Rather than completing something hastily, they are enjoying the process and taking the time to do it right. By contrast, "dashes off" suggests a lack of attention to detail and a hurried, careless approach.