to  lift  the lid on  something
lift
lɪft
lift
the
ðə
dhē
lid
lɪd
lid
on
ɒn
on
something
sʌmθɪng
samthing

Definition & Meaning of "lift the lid on something "in English

to lift the lid on something
01

to cause the truth become revealed, especially an unpleasant one 

Dialectbritish flagBritish
Idiom
Informal

What is the origin of the idiom "lift the lid on something" and when to use it?

The idiom "lift the lid on something" has its origin in the literal action of lifting the lid or cover of a container to reveal its contents. Metaphorically, the phrase signifies the act of uncovering or exposing hidden or secret information or revealing the truth about a particular situation or subject. It suggests a sense of unveiling or disclosing previously unknown or concealed details, allowing for a deeper understanding or awareness of the matter at hand.

Examples
The investigative journalist's report lifted the lid on the corruption scandal, revealing the extent of the bribery and fraud. 
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