The initial idioms of the letter T

the damage	The darkest hour is just before the dawn
the day of reckoning	the dead hand of
the deep six	the demon drink
the devil’s own time	The devil finds work for idle hands
the devil looks after his own	the devil of a time
the devil take the hindmost	the devil to pay
the devil's own luck	the dice are loaded against
the dickens	the die is cast
the dirty dozens	the DL
the dog days	the dogs bark, but the caravan goes on
the down low	the dozens
the drink	the driving force
the dust settles	the Dutch act
the Dutch cure	The early bird catches the worm
the earth moved	the ebb and flow