The phrase "most can do" can be described as a capability or ability possessed by a majority of people. Antonyms for this phrase would be "incapable," "incompetent," "inept," "clumsy," or "unable." These words describe a lack of skill, talent, or aptitude in a particular area. Alternatively, phrases such as "few can do," "rarely achieved," or "limited ability" could be used to illustrate a situation where only a small percentage of individuals possess a particular skill. While "most can do" implies a sense of confidence and ease with a task, antonyms convey mild derision or insufficiency. It is essential to carefully consider the audience, context, and tone when selecting antonyms to ensure the intended message is conveyed.