Sporting achievement (3,5)
'sporting achievement' is the definition.
(three goals in soccer or three wickets in a row)
This is all the clue.
(Other definitions for hat trick that I've seen before include "Three scores by one person, say goals in a match" , "Achievement of three successive victories" , "Taking three wickets with consecutive balls" , "Threefold feat" , "Three scored in a row as in soccer match" .)
'sporting achievement' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for grand slam that I've seen before include "Success at table" , "sporting triumph" , "Winning every trick or match" , "achievement at the table" , "wiping the floor with the others" .)