Questions about example sentences with, and the definition and usage of "Broaden"

A: 広げる。

A: To make wider or more wide.

For example, someone broadening their knowledge of birds.

A: “His shoulders were broad.”
“Let’s broaden our horizons!”
“How broad and vast is the journey?”
“Let’s broaden/expand your knowledge.”

A: broaden your horizons
enlarge your breasts
extend your arm

A: The river broadens after the bridge.
Reading books will help broaden your mind.

A: They are synonyms however they could be used in different sentences. Such as
“You need to learn to broaden your horizons if you want to have a more open mind.”
“You need to expand the scope of your research paper if you want to get an A.”
They mean the same thing but broaden refers to making something wider whereas you can say expand refers to making something bigger.

A: Broadened refers to width, extended refers to length, and expanded refers to area. In literary use, broadened is used to describe gaining more knowledge at the same skill level, while extended is used to describe an increase of skill level.

A: They mean the same thing.

I want to broaden my views on culture

I want to widen my views on culture

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