[Grammar] What are you doing up?

[shibli.aftab]

What is the difference in the meaning in below written sentence?

What are you doing up?
Or
What are you doing?

 

[Barb_D]

The first asks why the person is awake at a time when you expected them to be asleep.

 

[Rover_KE]

[STRIKE][/STRIKE]

What is the difference in [STRIKE]the[/STRIKE] meaning [STRIKE]in below written[/STRIKE] of the following sentences?

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