(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(mèng)的；發(fā)瘋的；愚蠢的
(proverb)it isn't possible to get something for nothing
(諺)天下沒(méi)有免費(fèi)的午餐
Not in touch with the real world; crazy.
做白日夢(mèng)的：與真實(shí)世界沒(méi)關(guān)系的；瘋狂的