Low card (4)
'low card' is the definition.
(I've seen this in another clue)
This is all the clue.
(Another definition for trey that I've seen is " Three in cards".)
'low card' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for deuce that I've seen before include "Forty all in tennis" , "Level of tennis" , "Forty-all in tennis" , "40 - 40 (tennis)" , "score, forty apiece" .)