Learn English: Daily Easy English Expression 0075 — 3 Minute English Lesson: tinker around
to make small changes to something in order to repair it or make it work better
tinker with
-Congress has been tinkering with the legislation.
tinker around with something
-Dad was always tinkering around with engines.
-Let me tinker around with it for a while and see if I can get it to work.
-Please don’t tinker with the controls.
