| 释义 |
off the top of one's head without thinking hard; quickly 不加思索地 * He didn't prepare his lecture beforhand, but only talked off the top of his head. 他事先没有准备,在讲演时只是想到哪里讲到哪里。 * Jim answered the teacher's question off the top of his head. 吉姆回答老师的问题时不大动脑筋。 |