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up on something
01
with an extensive knowledge concerning current topics and events
Idiom
InformalWhat is the origin of the idiom "up on something" and when to use it?
The idiom "up on something" likely derives from the idea of gaining a higher or more complete understanding of a particular subject or topic. The use of "up" in this context implies an increase in knowledge or familiarity. While the precise origin of this idiom is not documented, it has been in use in the English language since 19th century. This expression is used to convey a person's familiarity, knowledge, or awareness of a specific subject, topic, or issue. It indicates that someone is well-informed, educated, or experienced in that area.
Exempel
The tasty homemade soup warmed them up on a cold winter's day.
Using a file, he worked to soften the rough edges up on the wooden surface.
The inspector pulled the restaurant up on multiple health and safety violations.
A bowl of savory miso soup warmed her up on the chilly evening.
He raised himself up on one elbow to watch.
