off the top of one's head

介词短语
中文释义

英文释义

介词短语
  1. In an extemporaneous manner; without careful thought, preparation, or investigation. idiomatic
    — I cannot think of any good examples off the top of my head, but give me a couple of hours and I'm sure I could come up with something.
  2. Used other than figuratively or idiomatically: see off, top, head.

词形变化

off the top of one's dome alternative off the dome alternative
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