wtrącanie się in English:

to protect from outside interference

LANGUAGE TRANSFER it is also known as L1 interference, linguistic interference, and cross meaning; learner's trying to apply rules and forms of the first language into the second Language.

There was interference on the line caused by lightning.

an unwarranted interference with personal liberty

No one shall be subjected to arbitrary interference with his privacy, family, home or correspondence, nor to attacks upon his honour and reputation. Everyone has the right to the protection of the law against such interference or attacks.

Everyone has the right to freedom of opinion and expression; this right includes freedom to hold opinions without interference and to seek, receive and impart information and ideas through any media and regardless of frontiers.

I have no intention of meddling in your affairs.