【不现实】"Unrealistic" [ˌʌnriəˈlɪstɪk]，应该在美剧常听到，比 impractical 多。在日常生活里我个人也常用到，如：You're being unrealistic 你真不现实。That's unrealistic. An unrealistic dream. 同样，现实是 "Realistic". Tom is a very realistic guy. That sounds more realistic!