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read up

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read up (on someone or something)

to find and read some information about someone or something. Please go to the library and read up on George Washington. I don't know anything about that. I guess I need to read up.

See also: read, up

read up

Study or learn by reading, as in I don't know much about childhood illnesses, but I can always read up on them. [First half of 1800s]

See also: read, up