TO PAINT THE TOWN RED
TO SEE RED
no money in your bank account
a memorable day
TO CATCH SB RED HANDED
bureaucratic issues
limits
sth makes you angry and upset
AS RED AS A BEET
be furious
embarrassed
TO BLEED RED INK
IN THE RED
go out and party with friends
RED TAPE
RED LINE
financial difficulties
RED LETTER DAY
find sb doing sth crimnal / illegal
LIKE A RED FLAG TO A BULL