off the top of your head
US /ɔf ðə tɑp əv jʊər hɛd/
UK /ɔf ðə tɑp əv jʊər hɛd/
1.
すぐに, 即座に
from memory, without careful thought or checking facts
:
•
I can't tell you the exact number off the top of my head, but it's around fifty.
正確な数字はすぐに言えませんが、およそ50です。
•
Can you name three capital cities off the top of your head?
すぐに三つの首都を挙げられますか？