off the top of your head
成語所屬單字head
off the top of your head — 慣用語
1. From memory or guess, without careful thought or checking facts.
1.慣用語
釋義
憑記憶
From memory or guess, without careful thought or checking facts.
例句
Off the top of my head, I'd say there are about fifty people.
I can't recall the exact number off the top of my head.