Crossword Genius

Bishop to carry on with book — John — in anger (3,5)

Ross

I believe the answer is:

bad blood

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

'anger' is the definition.
The definition and answer can be both feelings as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'bishop to carry on with book john' is the wordplay.
'bishop' becomes 'B' (chess abbreviation).
'to carry on' becomes 'add' (both can mean to continue speaking).
'with' is an insertion indicator.
'book' becomes 'b' (abbreviation for book).
'john' becomes 'loo' (both can mean a toilet).
'b'+'loo'='bloo'
'add' going around 'bloo' is 'adblood'.
'b'+'adblood'='BAD BLOOD'

'in' is the link.

Can you help me to learn more?

(Other definitions for bad blood that I've seen before include "Hostile feeling" , "Feeling of animosity or hostility" , "Hostility, ill feeling of sanguinary kind" , "Rancour" , "Ill feeling of tainted sanguinary sort" .)

I've seen this clue in The Times.
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