986 B
General Information:
Parallelism is common in Hebrew poetry. (See: rc://en/ta/man/translate/writing-poetry and rc://en/ta/man/translate/figs-parallelism)
a new song
a song no one has ever sung before. See how this is translated in Psalms 96:1.
his right hand and his holy arm have
The words "right hand" and "holy arm" refer to Yahweh's strength. Together they emphasize how great his strength is. AT: "his very great power has" (See: rc://en/ta/man/translate/figs-metonymy and rc://en/ta/man/translate/figs-doublet)
right hand
the more powerful and skilled hand
holy arm
Here "arm" is a metonym for power. AT: "the power that is his alone" (See: rc://en/ta/man/translate/figs-metonymy)
have given him victory
This can be restated to remove the abstract noun "victory." AT: "have enabled him to be victorious over his enemies" or "has enabled him to defeat his enemies" (See: rc://en/ta/man/translate/figs-abstractnouns)