Example
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
blow someone's cover
Neutral · CEFR B2
to expose what someone has kept secret, such as their identity or scheme
touch base
Informal · CEFR B1
to make brief contact with someone, usually to update them or stay connected
break cover
Neutral · CEFR B2
to stop concealing one's true position or intentions and make them known
the devil is in the details
Neutral · CEFR B2
the hidden difficulties of a plan are in its small details
can of worms
Informal · CEFR B1
a complicated problem that causes trouble the moment it is touched
domino effect
Neutral · CEFR B1
a chain reaction in which one event triggers a series of similar events
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.