not put a foot wrong
To not do anything wrong or make any mistakes. The director never puts a foot wrong, keeping the film extremely focused in each scene. Of course my sister can't put a foot wrong in our parents' eyes—she's the golden child.
not put a foot wrong
BRITISHCOMMON If you don't put a foot wrong, you do not make any mistakes. This season the athlete hasn't put a foot wrong. He glided smoothly through his news conference, never putting a foot wrong.
not/never put/set a foot ˈwrong
(informal) never make a mistake: According to her colleagues, she never put a foot wrong.