Peter only comes out for a drink ___ now that he has kids.
once in a blue moon
Look, the situation in French agriculture is just ___. We're here to discuss the situation in this country.
a red herring
Exactly what can be called an offensive weapon is still a ___.
grey area
There is a plentiful supply of arms on ___.
the black market
I cannot stand humiliation of any kind. I just ___.
see red
There's so much ___ involved in opening up a restaurant that we decided to ditch the plan altogether.
red tape
She seemed so surprised by the news that it must have come ___.
out of the blue
Love isn't always ___, you know. You have to accept that there are many grey areas in relationships.
black and white
Those antique vases Aunt Mary gave me are ___s. They're ugly and I have no place to put them.
white elephant
I try to be honest most of the time, but I do tell ___s when I'm worried about upsetting people.
white lie