Crossword Genius

Be told how Leonard hid a warm heart (5)

Ross

I believe the answer is:

learn

I'm a little stuck... Click here to teach me more about this clue!

'be' is the definition.
Although both the answer and definition are verbs in their base form, I cannot see how they can define each other.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for learn that I've seen before include "Be educated" , "Renal (anag)" , "Study or digest" , "Comprehend" , "be taught a lesson" .)

I've seen this clue in the Evening Standard.
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