patchily

adverb
1
in a way that exists or happens in some places and not others
پراکنده, نامنظم, جسته و گریخته
synonym unevenly(1)
2
in a way that is not complete; in a way that is good in some parts, but not in others
به طور پراکنده, به طور نامنظم, به طور ناقص, غیریکدست
Anderson had been playing patchily for months.
synonym unevenly(2)