[mass noun]the competence or skill expected of a professional 职业特性,职业作风,职业精神 the key to quality and efficiency is professionalism. 质量和效率的关键是职业精神。 ■the practising of an activity, especially a sport, by professional rather than amateur players (尤指体育)职业化 the trend towards professionalism. 职业化的趋向。