1.dream in broad daylight; daydream; be nothing but a daydream (for sb.); a pipe dream; dream with one's eyes open; dream daydreams; cherish a pipe [fond] dream; indulge in wishful thinking; an idiot's daydream
Build castles in the air
英语谚语、格言或名人名言... ... * Build castles in the air．（ 白日作梦。） * Business before pleasure．（ 先工作后玩乐。） ...
白日作梦