| 释义 | 
		- adv.未经核实地;不假思索地;即席地
 - adj.漫不经心的;不在乎的
 - 网络无准备的;即席的;临时的
 
 adj. impromptu,extemporaneous,improvised,unrehearsed,spontaneous 1.  | 漫不经心的;不在乎的not showing much interest in sb/sth  |  
  |  |   | He was very offhand with me. 他完全是在敷衍我。  |  
 1.  | 未经核实地;不假思索地;即席地without being able to check sth or think about it  |  
  | I don't know offhand how much we made last year. 我一时还真说不清我们去年赚了多少钱。  |  
 adv.  | 1. casually, thoughtlessly, or spontaneously 2. without preparation or research 3. immediately and without checking the details or facts  |  adj.  | 1. so casual, uninterested, or blunt as to appear impolite or uncaring 2. taken or made casually or without planning, usually on the spur of the moment 3. unfriendly in the way you treat someone  |  
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