sie schaffen es nicht, über den tellerrand hinauszuschauen.

listen to the pronunciation of sie schaffen es nicht, über den tellerrand hinauszuschauen.
Немецкий Язык - Английский Язык
They cannot see beyond (the end of) their nose
They do not/cannot see (any) further than (the end of) their nose
They see no further than (the end of) their nose