meddle

verb
1
to involve yourself in something that should not really involve you
مداخله کردن, دخالت کردن, فضولی کردن
synonym interfere
2
to touch something in a careless way, especially when it is not yours or when you do not know how to use it correctly
فضولی کردن, دخل و تصرف کردن
Somebody had been meddling with her computer.