four obscurations. 1) {las kyi sgrib pa} ripened karmic obscurations. 2) {nyon mongs pa'i sgrib pa} passion. 3) {shes bya'i sgrib pa} cognitive. 4) {bag chags kyi sgrib pa} residual or habitual
the four obscurations: 1) Lam gyi dgag bya sgrib pa bzhi ste: 1 'dod chen gyi sgrib pa dang, two mu stegs pa'i sgrib pa dang, three nyan thos kyi dman sgrib, four rang rgyal gyi dman sgrib OR; 2) 1 Nyon sgrib dang, two shes sgrib, three chags sgrib, four thogs sgrib; 3) 1 Las kyi sgrib pa, two nyon mongs pa'i sgrib pa, three shes bya'i sgrib pa, four snyoms 'jug gi sgrib pa ]