five nearly boundless offenses: 1] {ma dgra bcom m sun phyung ba} abusing one's mother or an arhat. 2] {byang chub sems dpa' sa la gnas pa bsad pa} killing a Bodhisattva who has reached a certain stage. 3] {slob pa bsad pa} killing one's student or teacher. 4] {dge 'dun gyi 'du pa'i sgo 'phrog pa} taking away the Sangha's place of assembly. 5] {mchod rten 'jig pa} destroying a stupa