off the top of one's head
(знать) на память, (быть) спонтанным, не подготовленным заранее
George knew all the facts and figures in the report off the top of his head.
Другие идиомы:
- not one iota
- head for (someone or something)
- one at a time
- on one's honor
- bring (something) to a head
- get it into one's head to (do something)
- head off (something)
- get a head start
- stick one's head in a noose
- over one's head
- one's lucky number comes up
- all in one piece
- off the beaten track
- one-track mind
- beat (something) into (someone's) head