Example
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
off the top of one's head
Informal · CEFR B2
from memory, without checking or thinking carefully
brain power
Informal · CEFR B1
intelligence or mental ability used to think and solve problems
come to mind
Neutral · CEFR B1
to appear in one's thoughts or memory
ring a bell
Informal · CEFR B1
to sound familiar or remind you of something
go without saying
Neutral · CEFR B2
to be so obvious that it does not need to be stated
rack your brains
Informal · CEFR B2
To think very hard in an effort to remember or solve something.
Source methodology
Meanings, register, CEFR, and examples come from the reviewed dictionary record. Expression notes may describe a reviewed present-day word picture or a background note; they are not presented as verified etymology.