competently

adverb
1
in a way that shows enough skill or knowledge to do something well or to the necessary standard
به طور شایسته, به نحو ماهرانه, با صلاحیت, به طور ماهرانه, با مهارت
opposite incompetently
2
in a way that is of a good standard but not very good
به خوبی, ماهرانه, به صورت ماهرانه
The characters are played competently enough, but without any particular distinction.