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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.
Example
If you want the soup to be steaming hot, you should hot it up on the stove.
He tends to fill himself up on bread before the main course arrives.
Using a file, he worked to soften the rough edges up on the wooden surface.
Beispiel
If you want the soup to be steaming hot, you should hot it up on the stove.
He tends to fill himself up on bread before the main course arrives.
Using a file, he worked to soften the rough edges up on the wooden surface.
Their mutual friends fixed them up on a blind date, and they hit it off.
Let me catch you up on the news from yesterday.
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