adj.不客氣的；未經(jīng)準(zhǔn)備的

I cannot give you a reply off hand. 我不能立刻給你答復(fù)。

We cannot give you a reply off hand. 我們不能馬上給你回音。

Being an expert, he was able to pick a hole in our work off hand. 作為一名專家，他一下子就能挑出我們工作中的毛病。

I sent many letters today. Off hand, I should think15. 今天我寄出許多信。大致地算，我想有15封吧。

I can't answer your question off hand. 我不能立即答復(fù)你的問題。

I'm talking off hand, simply speaking my mind. 我這是信口開河， 隨便談?wù)勀X子里想的東西。