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

A: Someone who notices details, who "observes" or looks deep into things

A: good at noticing details.

'he's a very observant child, he always notices if someone's upset and goes to comfort them'
'she's very observant, she quietly watched how the adults were rigging their fishing rods, then without saying anything, she picked up a spare rod and copied them perfectly.'

A: This sentence is incorrect English.

We don’t use the word “well”

We use instead “very” or “ quite” or “pretty”
as in
She is very observant.
She is quite observant.
She is pretty observant.

informally:
She is super observant.

We DON’T use the word Well though ....

A: it means a person notices everything

A: @arianayuuu ありがとうございます😊
Thank you!

A: We say :
You are very observant.
or
You are quite perceptive.
or
You notice things.

A: Check the question to view the answer

A: You have good observing eyes.