to be out of touch with reality; to make a cart behind closed doors
闭门造车的计划
plan without any grounding in reality
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。