Worrywart's words (4,2)
I believe the answer is:
dear me
'worrywart's words' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dear me that I've seen before include "how distressing!" , "how sad" , "Mild expression of distress from expensive self" , "What a pity" , "Expression of dismay" .)