Engaged Bodhichitta Verse - Part 4

sdug bsngal is suffering.
sel ba is to purify, to dispel. There's another particle in here, sel bar, the r at the end. This is a sub-ordination particle, it establishes a hierarchy or relationship between the right and the left side. A quick word to substitute this particle is as.
shog is a typical word that ends verses and sentences, may it be so, to use a term from Captain Picard. As mentioned in the first posting, there's no need to make a final shah (like the one in the beginning of the sentence), as the ga letter has a long stroke at the end.