vision/visionary

vision /ˈviʒ(ə)n/ n. ［u］&［c］ 1. 想象(力)，幻想，幻觉：a man of great vision 极有远见的人；the romantic vision of youth 青年人不切实际的幻想 2. 视力，视觉：beyond sb.’s vision 在某人视力之处；the field of vision 视野［考句］I have had my eyes tested and the report says that my vision is perfect. 我检查了眼睛，报告单上说我的视力很好。

visionary /ˈviʒənəri]/ I. adj. 1. 有眼光的，有远见的：a visionary leader目光远大的领导The question remains though——was he a visionary or a madman？问题仍然存在——他究竟是个有远见的人, 还是个疯子？2. 空想的，幻想的，不切实际的：a visionary scheme for the future对未来的不切实际的计划 ‖II. n. [c] 1. 好幻想的人，空想家：The ideas of a visionary may seem impractical to us.在我们看来，空想家的观念好像不切实际。They are left-wing visionaries. 他们是左翼空想家。2.有远见卓识者：True visionaries are often misunderstood by their own generation.真正有远见卓识者往往受同时代人的误解。