lʌntʃ noun
2
there’s no (such thing as a) free lunch
used to say that you cannot get anything without working for it or paying for it 天底下没有免费的午餐〔用于表示不付出就不可能得到任何东西〕
3
out to lunch
behaving or talking in a strange or crazy way [非正式] 举止 (言谈 )有点失常 informal
verb
4 to eat lunch [正式] 吃午饭,用午餐