(informal, chiefly N. Amer.)meet for lunch
(非正式，主北美)一起吃午餐
(informal)temporarily not in command of one's mental faculties
(非正式)心不在焉的，做白日夢的；發(fā)瘋的；愚蠢的
(proverb)it isn't possible to get something for nothing
(諺)天下沒有免費的午餐
Not in touch with the real world; crazy.
做白日夢的：與真實世界沒關系的；瘋狂的