out of bounds
US /aʊt əv baʊndz/
UK /aʊt əv baʊndz/

1.
ins Aus, tabu
beyond the permitted or designated area
:
•
The ball went out of bounds.
Der Ball ging ins Aus.
•
That area is out of bounds to visitors.
Dieser Bereich ist für Besucher tabu.
2.
unangebracht, inakzeptabel
unacceptable or improper behavior
:
•
His comments were completely out of bounds.
Seine Kommentare waren völlig unangebracht.
•
That kind of language is out of bounds in a professional setting.
Diese Art von Sprache ist in einem professionellen Umfeld unangebracht.