fiddle around with

phrasal verb
1
to keep touching something or making small changes to something because you are not satisfied with it
ور رفتن با چیزی, دستکاری کردن, پیوسته تغییرات کوچک دادن
2
to touch or move the parts of something in order to try to change it or repair it
ور رفتن, دستکاری کردن, دست بردن به
Who's been fiddling with the TV again?