/ˈdeɪdri:m ||; ˈdeˌdrim/noun [C] thoughts that are not connected with what you are doing; often pleasant scenes in your imagination 白日梦: The child stared out of the window, lost in a daydream. 那小孩凝视着窗外，沉醉在白日梦里。 ➔daydream verb [I]: Don't just sit there daydreaming -- do some work! 别只是坐在那里做白日梦─干点事吧！