Vous me donnez sur les nerfs = You get on my nerves; You rile me (fam.).
Net
Mettez cela au net = Make a fair copy of that.
Il a les mains nettes (fig.) = He is honest; His hands are clean.
Refuser net = To refuse point-blank.
Nez
Il a un pied de nez (fam.) = He pulls a long face, looks foolish.
[Also: Il fait un nez.]
Il a fait un pied de nez (fam.) = He put his fingers to his nose; “He cut a snook.”
Ce coup l’a fait saigner du nez = That blow made his nose bleed.