
Not be up to it
Be more than one can handle / Have one's work cut out for oneself

Non essere pane per i propri denti 
Be more than one can handle / Have one's work cut out for oneself

Non essere pane per i propri denti 
Meanings
To not be able to do something or deal with something by one's own strength
Examples
Forget about repairing the TV. Don't even try it! You are not up to it
Non tentare nemmeno di riparare la TV. Non è pane per i tuoi denti
Mark loves all water sports, but he admits that scuba diving is more than he can handle. He's just not up to it because he's afraid of deep waters
Marco ama tutti gli sport acquatici, ma ammette che le immersioni
subacquee non sono pane per i suoi denti perché ha paura della profonditÃ