up on {sth}
1
with an extensive knowledge concerning current topics and events
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.
- She's really up on the latest technology trends.
- John is up on current events; he reads the news every morning.
- To succeed in this field, you need to be up on the latest research.
- I need to get up on my history before the exam.
- Being up on industry developments is crucial for our business.
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