adv.立即,当即,事先没有准备地;
adj.临时的;非正式的;随便的;无礼的;
例句:
We cannot give you a off hand.
我们不能马上给你“回音”.
I cannot give you a reply off hand.
我不能立刻给你答复.
I can't give you a reply off hand.
我无法立即给你答覆.