persist /pə(:)ˈsist/ vi. 1. (in)坚持不懈，执意：persist in the study of the language 坚持不懈地学习这门语言 The child persisted in going along with his father. 这孩子执意要跟他父亲一起去。 2.持续，存留：The bad weather will persist all over the country. 这种恶劣的天气将在全国持续下去。
persistent /pəˈsistənt/ adj. 1.持续的，顽强地存在的：a persistent headache 顽固性头痛；a persistent cough 久咳 2.坚持不懈的，执意的：a persistent worker 坚持不懈的工作者［考句］Persistent efforts are needed in order to finish important but unpleasant tasks. 要完成重要的但无聊的任务就需要持续的努力。
