off the top of your head

意味

from memory, without checking or thinking for long

調べたり深く考えたりせず記憶だけで.

例文

1. 1I'd say, off the top of my head, that the trip costs about two hundred pounds.
2. 2Can you name five capital cities off the top of your head?
3. 3I don't know his number off the top of my head, but I can look it up.
4. 4The waiter listed all twelve desserts off the top of his head, which impressed the whole table.
5. 5Asked for the population of Wales, Tom guessed three million off the top of his head.

文法

副詞のように働き、say、know、name とよく使う。your は話し手に合わせて変える：my、his、their。

似た意味の表現