be no morebe no mortal good to anybodybe no oil paintingbe no reasoning with someonebe no rocket scientistbe no saintbe no skin off one's backbe no slouchbe nonchalantbe none the wiserbe notbe not a bed of rosesbe not a patch on someonebe not abovebe not all therebe not right in the headbe not supposed tobe not thatbe not too bold with your bettersbe not up to nonebe nothing but skin and bonesbe nothing if not kind generous etcbe nothing less than somethingbe nothing short of somethingbe nothing to itbe nothing to somebodybe nowhere to be foundbe nuts aboutbe obligated tobe obliged tobe obliged to do somethingbe obsessed withbe obtrusivebe occeans apartbe ofbe of any worth to sth sbbe of assistancebe of comfortbe of good cheerbe of great importancebe of helpbe of immense value tobe of importancebe of interestbe of middle qualitybe of no accountbe of no usebe of one mind withbe of sb`s opinionbe of service
