A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

Note: 
The expression does not correlate in meaning with the
phrase in a black mood— irritable, angry, or depressed: We
often talk about being in a black mood, feeling blue, going
red with anger and green with envy.
in the black —(coll.) in a sound financial position; making
a profit: We toyed with bankruptcy for a while, but now we’re
in the black.
in blue • in the blue
in blue —
1
. wearing blue clothes: Kim was chatting to a girl
in blue as she laid crackling thorns on a fire. 2. executed or
finished in various shades of blue color: Finished in blue, this
item comes complete with a comfortable head cushion.
in a world apart
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in the blue —(NZ sl.) said of a failure or of smth. going
wrong: An attack that broke down would be said to be “in
the blue.”
See also: out in the blue / out of the blue.
in bond • in bonds
in bond —(of goods) stored in a customs warehouse until
duties are paid: A merchant may not wish to sell immediately
the goods he imports, he is therefore permitted to place them
in bond.
Note: 
The expression does not correlate in meaning with the
phrase on bond— used of smb. released on bail: O’Brien has
remained free on bond during the appeals process.
in bonds —
1
. having one’s feet or hands fettered: He stood
now before them in bonds, at their mercy and devotion as
they say. 2. held in captivity as a prisoner: This is an oppor-
tune time for us to remember the many thousands of our fel-
low believers who are still in bonds.
in camera • on camera
in camera —(of a court hearing) held while the public or
press is not allowed to attend: The case is one that in England
would be heard in camera.
on camera —(TV) when televised or recorded: We have been
hearing increasing rumors of films in which the victim is mur-
dered on camera.