Girl is English, superior, and pleasant (6)
I believe the answer is:
eunice
'girl' is the definition.
'english superior and pleasant' is the wordplay.
'english' becomes 'e' (abbreviation).
'superior' becomes 'u' (I've seen this in other clues).
'and' means one lot of letters go next to another.
'pleasant' becomes 'nice' ('nice' is associated in meaning with 'pleasant').
'e'+'u'+'nice'='EUNICE'
'is' is the link.
(Other definitions for eunice that I've seen before include "Female name deriving from happy victory in Greek" , "Woman" , "Girl" , "Girl's name" .)