can't cope with(If you can't cope with the madness of the Lemon Pie Eating Contest or the Drunken Zombie Carnival, take a stroll in the Japanese Gardens. You'll soon de-stress and relax. – Если вам не под силу ...ART Vancouver)
more than one can manage(только в контексте: Having a definite finish time also means I just work on the essentials and do not take on more than I can manage.4uzhoj)