- ungraciously or offensively nonchalant or cool in manner冷淡的; 冷漠无情的; 满不在乎的; 爱理不理的：
you were a bit offhand with her this afternoon.
今天下午你对她有点爱理不理。
- without previous thought or consideration不假思索地; 事先未经准备地; 即席地：
I can't think of a better answer offhand.
我一下子想不出更好的回答。
派生词