磨磨蹭蹭

to dillydally / slow-going

to rub / to grind / to polish / to sharpen / to wear down / to die out / to waste time / to pester / to insist

grindstone / to grind / to turn round

to rub lightly / to move slowly / to dawdle / to dillydally / to pester / to nag

to rub against / to walk slowly / (coll.) to freeload