Crossword Genius

Upset, try covering tracks up (7)

Ross

I believe the answer is:

disturb

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

'upset try covering tracks up' is the definition.
I can't judge whether this definition defines the answer.

'upset try covering tracks up' is the wordplay.
'upset try' becomes 'bid' (bid is a kind of try. I am not sure about the 'upset' bit.).
'covering' is an insertion indicator.
'tracks' becomes 'ruts' (rut is a kind of track).
'up' says the letters should be written backwards (in down clue: letters go upwards).
'bid' enclosing 'ruts' is 'brutsid'.
'brutsid' written backwards gives 'DISTURB'.

Can you help me to learn more?

(Other definitions for disturb that I've seen before include "startle" , "Interfere with" , "Upset, confuse" , "Interrupt (sleep)" , "Bother" .)

I've seen this clue in The Telegraph.
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